55602478 has 16 divisors (see below), whose sum is σ = 90465984. Its totient is φ = 25527040.

The previous prime is 55602473. The next prime is 55602497. The reversal of 55602478 is 87420655.

It is a happy number.

55602478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55602473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18550 + ... + 21337.

It is an arithmetic number, because the mean of its divisors is an integer number (5654124).

Almost surely, 2^55602478 is an apocalyptic number.

55602478 is a deficient number, since it is larger than the sum of its proper divisors (34863506).

55602478 is a wasteful number, since it uses less digits than its factorization.

55602478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39947.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 55602478 is about 7456.7069139131. The cubic root of 55602478 is about 381.6788095355.

The spelling of 55602478 in words is "fifty-five million, six hundred two thousand, four hundred seventy-eight".