55075130 has 32 divisors (see below), whose sum is σ = 109219968. Its totient is φ = 19828800.

The previous prime is 55075123. The next prime is 55075171. The reversal of 55075130 is 3157055.

It is a self number, because there is not a number n which added to its sum of digits gives 55075130.

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 15 ways as a sum of consecutive naturals, for example, 8900 + ... + 13760.

It is an arithmetic number, because the mean of its divisors is an integer number (3413124).

Almost surely, 2^55075130 is an apocalyptic number.

55075130 is a deficient number, since it is larger than the sum of its proper divisors (54144838).

55075130 is a wasteful number, since it uses less digits than its factorization.

55075130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 55075130 is about 7421.2620220553. The cubic root of 55075130 is about 380.4683283919.

The spelling of 55075130 in words is "fifty-five million, seventy-five thousand, one hundred thirty".