55597113 has 36 divisors (see below), whose sum is σ = 94893552. Its totient is φ = 31093920.

The previous prime is 55597109. The next prime is 55597117. The reversal of 55597113 is 31179555.

55597113 is a `hidden beast` number, since 55 + 597 + 1 + 13 = 666.

It is an interprime number because it is at equal distance from previous prime (55597109) and next prime (55597117).

It is not a de Polignac number, because 55597113 - 2² = 55597109 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55597117) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 15070 + ... + 18392.

It is an arithmetic number, because the mean of its divisors is an integer number (2635932).

Almost surely, 2^55597113 is an apocalyptic number.

It is an amenable number.

55597113 is a deficient number, since it is larger than the sum of its proper divisors (39296439).

55597113 is a wasteful number, since it uses less digits than its factorization.

55597113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366 (or 3350 counting only the distinct ones).

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

The square root of 55597113 is about 7456.3471619822. The cubic root of 55597113 is about 381.6665332680. Note that the first 3 decimals are identical.

The spelling of 55597113 in words is "fifty-five million, five hundred ninety-seven thousand, one hundred thirteen".