55791135 has 12 divisors (see below), whose sum is σ = 96704712. Its totient is φ = 29755248.

The previous prime is 55791133. The next prime is 55791137. The reversal of 55791135 is 53119755.

55791135 is a `hidden beast` number, since 557 + 91 + 13 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (55791133) and next prime (55791137).

It is not a de Polignac number, because 55791135 - 2¹ = 55791133 is a prime.

It is a super-2 number, since 2×55791135² = 6225301489176450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55791135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55791133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 619857 + ... + 619946.

It is an arithmetic number, because the mean of its divisors is an integer number (8058726).

Almost surely, 2^55791135 is an apocalyptic number.

55791135 is a deficient number, since it is larger than the sum of its proper divisors (40913577).

55791135 is a wasteful number, since it uses less digits than its factorization.

55791135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239814 (or 1239811 counting only the distinct ones).

The product of its digits is 23625, while the sum is 36.

The square root of 55791135 is about 7469.3463569445. The cubic root of 55791135 is about 382.1099959182.

The spelling of 55791135 in words is "fifty-five million, seven hundred ninety-one thousand, one hundred thirty-five".