55791075 has 12 divisors (see below), whose sum is σ = 92241368. Its totient is φ = 29755200.

The previous prime is 55791013. The next prime is 55791091. The reversal of 55791075 is 57019755.

It is not a de Polignac number, because 55791075 - 2¹⁶ = 55725539 is a prime.

It is a super-2 number, since 2×55791075² = 6225288099311250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 371866 + ... + 372015.

Almost surely, 2^55791075 is an apocalyptic number.

55791075 is a deficient number, since it is larger than the sum of its proper divisors (36450293).

55791075 is a wasteful number, since it uses less digits than its factorization.

55791075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743894 (or 743889 counting only the distinct ones).

The product of its (nonzero) digits is 55125, while the sum is 39.

The square root of 55791075 is about 7469.3423405277. The cubic root of 55791075 is about 382.1098589394.

The spelling of 55791075 in words is "fifty-five million, seven hundred ninety-one thousand, seventy-five".