55651032 has 48 divisors (see below), whose sum is σ = 153204480. Its totient is φ = 18244800.

The previous prime is 55650977. The next prime is 55651033. The reversal of 55651032 is 23015655.

55651032 is a `hidden beast` number, since 5 + 5 + 651 + 0 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 55650987 and 55651005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55651033) 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, 1944 + ... + 10727.

It is an arithmetic number, because the mean of its divisors is an integer number (3191760).

Almost surely, 2^55651032 is an apocalyptic number.

It is an amenable number.

55651032 is an abundant number, since it is smaller than the sum of its proper divisors (97553448).

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

55651032 is a wasteful number, since it uses less digits than its factorization.

55651032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12744 (or 12737 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 55651032 is about 7459.9619301978. The cubic root of 55651032 is about 381.7898755763.

Adding to 55651032 its reverse (23015655), we get a palindrome (78666687).

The spelling of 55651032 in words is "fifty-five million, six hundred fifty-one thousand, thirty-two".