55575502 has 16 divisors (see below), whose sum is σ = 84356352. Its totient is φ = 27459000.

The previous prime is 55575493. The next prime is 55575511. The reversal of 55575502 is 20557555.

It is an interprime number because it is at equal distance from previous prime (55575493) and next prime (55575511).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73627 + ... + 74377.

It is an arithmetic number, because the mean of its divisors is an integer number (5272272).

Almost surely, 2^55575502 is an apocalyptic number.

55575502 is a deficient number, since it is larger than the sum of its proper divisors (28780850).

55575502 is a wasteful number, since it uses less digits than its factorization.

55575502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143.

The product of its (nonzero) digits is 43750, while the sum is 34.

The square root of 55575502 is about 7454.8978530896. The cubic root of 55575502 is about 381.6170746784.

The spelling of 55575502 in words is "fifty-five million, five hundred seventy-five thousand, five hundred two".