55256193 has 12 divisors (see below), whose sum is σ = 80425488. Its totient is φ = 36555480.

The previous prime is 55256177. The next prime is 55256197. The reversal of 55256193 is 39165255.

55256193 is a `hidden beast` number, since 5 + 5 + 2 + 561 + 93 = 666.

It is not a de Polignac number, because 55256193 - 2⁴ = 55256177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55256197) 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, 22255 + ... + 24612.

It is an arithmetic number, because the mean of its divisors is an integer number (6702124).

Almost surely, 2^55256193 is an apocalyptic number.

It is an amenable number.

55256193 is a deficient number, since it is larger than the sum of its proper divisors (25169295).

55256193 is a wasteful number, since it uses less digits than its factorization.

55256193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47004 (or 47001 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 55256193 is about 7433.4509482474. The cubic root of 55256193 is about 380.8848102806.

The spelling of 55256193 in words is "fifty-five million, two hundred fifty-six thousand, one hundred ninety-three".