55742112 has 36 divisors (see below), whose sum is σ = 158517450. Its totient is φ = 18580608.

The previous prime is 55742111. The next prime is 55742119. The reversal of 55742112 is 21124755.

It can be written as a sum of positive squares in only one way, i.e., 39388176 + 16353936 = 6276^2 + 4044^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (55742111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96487 + ... + 97062.

Almost surely, 2^55742112 is an apocalyptic number.

It is an amenable number.

55742112 is an abundant number, since it is smaller than the sum of its proper divisors (102775338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55742112 is a wasteful number, since it uses less digits than its factorization.

55742112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193565 (or 193554 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 55742112 is about 7466.0640232990. The cubic root of 55742112 is about 381.9980446342.

Adding to 55742112 its reverse (21124755), we get a palindrome (76866867).

The spelling of 55742112 in words is "fifty-five million, seven hundred forty-two thousand, one hundred twelve".