55910133 has 12 divisors (see below), whose sum is σ = 81501420. Its totient is φ = 36930816.

The previous prime is 55910131. The next prime is 55910137. The reversal of 55910133 is 33101955.

55910133 is a `hidden beast` number, since 559 + 101 + 3 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42536484 + 13373649 = 6522^2 + 3657^2 .

It is not a de Polignac number, because 55910133 - 2¹ = 55910131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55910097 and 55910106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55910131) 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, 27516 + ... + 29477.

It is an arithmetic number, because the mean of its divisors is an integer number (6791785).

Almost surely, 2^55910133 is an apocalyptic number.

It is an amenable number.

55910133 is a deficient number, since it is larger than the sum of its proper divisors (25591287).

55910133 is a wasteful number, since it uses less digits than its factorization.

55910133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57108 (or 57105 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 27.

The square root of 55910133 is about 7477.3078711526. The cubic root of 55910133 is about 382.3814729510.

The spelling of 55910133 in words is "fifty-five million, nine hundred ten thousand, one hundred thirty-three".