56155372 has 36 divisors (see below), whose sum is σ = 123115440. Its totient is φ = 22214304.

The previous prime is 56155361. The next prime is 56155373. The reversal of 56155372 is 27355165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56155373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8472 + ... + 13567.

Almost surely, 2^56155372 is an apocalyptic number.

56155372 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56155372 is an abundant number, since it is smaller than the sum of its proper divisors (66960068).

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

56155372 is a wasteful number, since it uses less digits than its factorization.

56155372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22070 (or 22061 counting only the distinct ones).

The product of its digits is 31500, while the sum is 34.

The square root of 56155372 is about 7493.6888112598. The cubic root of 56155372 is about 382.9397383300.

The spelling of 56155372 in words is "fifty-six million, one hundred fifty-five thousand, three hundred seventy-two".