55758575 has 12 divisors (see below), whose sum is σ = 70276008. Its totient is φ = 43874400.

The previous prime is 55758569. The next prime is 55758581. The reversal of 55758575 is 57585755.

It is an interprime number because it is at equal distance from previous prime (55758569) and next prime (55758581).

It is not a de Polignac number, because 55758575 - 2⁶ = 55758511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16757 + ... + 19806.

It is an arithmetic number, because the mean of its divisors is an integer number (5856334).

Almost surely, 2^55758575 is an apocalyptic number.

55758575 is a deficient number, since it is larger than the sum of its proper divisors (14517433).

55758575 is a wasteful number, since it uses less digits than its factorization.

55758575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36634 (or 36629 counting only the distinct ones).

The product of its digits is 1225000, while the sum is 47.

The square root of 55758575 is about 7467.1664639273. The cubic root of 55758575 is about 382.0356476514.

The spelling of 55758575 in words is "fifty-five million, seven hundred fifty-eight thousand, five hundred seventy-five".