55913193 has 16 divisors (see below), whose sum is σ = 94668160. Its totient is φ = 31950288.

The previous prime is 55913113. The next prime is 55913197. The reversal of 55913193 is 39131955.

55913193 is a `hidden beast` number, since 559 + 13 + 1 + 93 = 666.

It is not a de Polignac number, because 55913193 - 2⁸ = 55912937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55913197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147730 + ... + 148107.

It is an arithmetic number, because the mean of its divisors is an integer number (5916760).

Almost surely, 2^55913193 is an apocalyptic number.

It is an amenable number.

55913193 is a deficient number, since it is larger than the sum of its proper divisors (38754967).

55913193 is a wasteful number, since it uses less digits than its factorization.

55913193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295853 (or 295847 counting only the distinct ones).

The product of its digits is 18225, while the sum is 36.

The square root of 55913193 is about 7477.5124874520. The cubic root of 55913193 is about 382.3884488240.

The spelling of 55913193 in words is "fifty-five million, nine hundred thirteen thousand, one hundred ninety-three".