55917032 has 16 divisors (see below), whose sum is σ = 105256260. Its totient is φ = 27848704.

The previous prime is 55917031. The next prime is 55917049. The reversal of 55917032 is 23071955.

It can be written as a sum of positive squares in 2 ways, for example, as 49084036 + 6832996 = 7006^2 + 2614^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55917032.

It is not an unprimeable number, because it can be changed into a prime (55917031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11543 + ... + 15654.

Almost surely, 2^55917032 is an apocalyptic number.

It is an amenable number.

55917032 is a deficient number, since it is larger than the sum of its proper divisors (49339228).

55917032 is a wasteful number, since it uses less digits than its factorization.

55917032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27460 (or 27456 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 55917032 is about 7477.7691860608. The cubic root of 55917032 is about 382.3972002211.

Adding to 55917032 its reverse (23071955), we get a palindrome (78988987).

The spelling of 55917032 in words is "fifty-five million, nine hundred seventeen thousand, thirty-two".