55007632 has 20 divisors (see below), whose sum is σ = 107049820. Its totient is φ = 27381888.

The previous prime is 55007627. The next prime is 55007657. The reversal of 55007632 is 23670055.

It can be written as a sum of positive squares in 2 ways, for example, as 46457856 + 8549776 = 6816^2 + 2924^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55007632.

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, 3843 + ... + 11170.

It is an arithmetic number, because the mean of its divisors is an integer number (5352491).

Almost surely, 2^55007632 is an apocalyptic number.

It is an amenable number.

55007632 is a deficient number, since it is larger than the sum of its proper divisors (52042188).

55007632 is a wasteful number, since it uses less digits than its factorization.

55007632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15250 (or 15244 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 55007632 is about 7416.7130185817. The cubic root of 55007632 is about 380.3128356463.

Adding to 55007632 its reverse (23670055), we get a palindrome (78677687).

The spelling of 55007632 in words is "fifty-five million, seven thousand, six hundred thirty-two".