55976832 has 80 divisors (see below), whose sum is σ = 166617000. Its totient is φ = 18655488.

The previous prime is 55976827. The next prime is 55976839. The reversal of 55976832 is 23867955.

It is a happy number.

55976832 is a `hidden beast` number, since 559 + 7 + 68 + 32 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55976839) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7669 + ... + 13067.

Almost surely, 2^55976832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55976832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83308500).

55976832 is an abundant number, since it is smaller than the sum of its proper divisors (110640168).

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

55976832 is an equidigital number, since it uses as much as digits as its factorization.

55976832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5425 (or 5404 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 55976832 is about 7481.7666362965. The cubic root of 55976832 is about 382.5334688130.

The spelling of 55976832 in words is "fifty-five million, nine hundred seventy-six thousand, eight hundred thirty-two".