55274064 has 40 divisors (see below), whose sum is σ = 143077152. Its totient is φ = 18387840.

The previous prime is 55274057. The next prime is 55274069. The reversal of 55274064 is 46047255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55274069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34399 + ... + 35969.

Almost surely, 2^55274064 is an apocalyptic number.

It is an amenable number.

55274064 is an abundant number, since it is smaller than the sum of its proper divisors (87803088).

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

55274064 is a wasteful number, since it uses less digits than its factorization.

55274064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315 (or 2309 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 55274064 is about 7434.6529172518. The cubic root of 55274064 is about 380.9258678731.

It can be divided in two parts, 5527 and 4064, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 55274064 in words is "fifty-five million, two hundred seventy-four thousand, sixty-four".