55771032 has 16 divisors (see below), whose sum is σ = 139427640. Its totient is φ = 18590336.

The previous prime is 55771013. The next prime is 55771069. The reversal of 55771032 is 23017755.

It is a super-2 number, since 2×55771032² = 6220816020690048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161873 + ... + 1161920.

Almost surely, 2^55771032 is an apocalyptic number.

It is an amenable number.

55771032 is an abundant number, since it is smaller than the sum of its proper divisors (83656608).

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

55771032 is a wasteful number, since it uses less digits than its factorization.

55771032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323802 (or 2323798 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 55771032 is about 7468.0005356186. Note that the first 3 decimals coincide. The cubic root of 55771032 is about 382.0640956746.

Adding to 55771032 its reverse (23017755), we get a palindrome (78788787).

The spelling of 55771032 in words is "fifty-five million, seven hundred seventy-one thousand, thirty-two".