55313632 has 24 divisors (see below), whose sum is σ = 118799352. Its totient is φ = 25142400.

The previous prime is 55313627. The next prime is 55313639. The reversal of 55313632 is 23631355.

It is a self number, because there is not a number n which added to its sum of digits gives 55313632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55313639) 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, 78219 + ... + 78922.

It is an arithmetic number, because the mean of its divisors is an integer number (4949973).

Almost surely, 2^55313632 is an apocalyptic number.

It is an amenable number.

55313632 is an abundant number, since it is smaller than the sum of its proper divisors (63485720).

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

55313632 is a wasteful number, since it uses less digits than its factorization.

55313632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157162 (or 157154 counting only the distinct ones).

The product of its digits is 8100, while the sum is 28.

The square root of 55313632 is about 7437.3134934599. The cubic root of 55313632 is about 381.0167415941.

Adding to 55313632 its reverse (23631355), we get a palindrome (78944987).

It can be divided in two parts, 55313 and 632, that added together give a triangular number (55945 = T₃₃₄).

The spelling of 55313632 in words is "fifty-five million, three hundred thirteen thousand, six hundred thirty-two".