55292975 has 24 divisors (see below), whose sum is σ = 70218720. Its totient is φ = 43182720.

The previous prime is 55292957. The next prime is 55292977. The reversal of 55292975 is 57929255.

It is not a de Polignac number, because 55292975 - 2¹⁴ = 55276591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55292977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280577 + ... + 280773.

It is an arithmetic number, because the mean of its divisors is an integer number (2925780).

Almost surely, 2^55292975 is an apocalyptic number.

55292975 is a deficient number, since it is larger than the sum of its proper divisors (14925745).

55292975 is a wasteful number, since it uses less digits than its factorization.

55292975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 414 counting only the distinct ones).

The product of its digits is 283500, while the sum is 44.

The square root of 55292975 is about 7435.9246230714. The cubic root of 55292975 is about 380.9693051695.

The spelling of 55292975 in words is "fifty-five million, two hundred ninety-two thousand, nine hundred seventy-five".