55502372 has 6 divisors (see below), whose sum is σ = 97129158. Its totient is φ = 27751184.

The previous prime is 55502357. The next prime is 55502387. The reversal of 55502372 is 27320555.

55502372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55502357) and next prime (55502387).

It can be written as a sum of positive squares in only one way, i.e., 31629376 + 23872996 = 5624^2 + 4886^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6937793 + ... + 6937800.

It is an arithmetic number, because the mean of its divisors is an integer number (16188193).

Almost surely, 2^55502372 is an apocalyptic number.

It is an amenable number.

55502372 is a deficient number, since it is larger than the sum of its proper divisors (41626786).

55502372 is a wasteful number, since it uses less digits than its factorization.

55502372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13875597 (or 13875595 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 55502372 is about 7449.9914093910. The cubic root of 55502372 is about 381.4496153630.

The spelling of 55502372 in words is "fifty-five million, five hundred two thousand, three hundred seventy-two".