55366374 has 32 divisors (see below), whose sum is σ = 129139200. Its totient is φ = 15818376.

The previous prime is 55366351. The next prime is 55366379. The reversal of 55366374 is 47366355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55366379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11394 + ... + 15509.

It is an arithmetic number, because the mean of its divisors is an integer number (4035600).

Almost surely, 2^55366374 is an apocalyptic number.

55366374 is an abundant number, since it is smaller than the sum of its proper divisors (73772826).

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

55366374 is a wasteful number, since it uses less digits than its factorization.

55366374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26929 (or 26915 counting only the distinct ones).

The product of its digits is 226800, while the sum is 39.

The square root of 55366374 is about 7440.8584182203. The cubic root of 55366374 is about 381.1378039829.

The spelling of 55366374 in words is "fifty-five million, three hundred sixty-six thousand, three hundred seventy-four".