55294731 has 60 divisors (see below), whose sum is σ = 91464384. Its totient is φ = 33242400.

The previous prime is 55294717. The next prime is 55294747. The reversal of 55294731 is 13749255.

It is not a de Polignac number, because 55294731 - 2⁵ = 55294699 is a prime.

It is a super-2 number, since 2×55294731² = 6115014552724722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55294751) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 906441 + ... + 906501.

Almost surely, 2^55294731 is an apocalyptic number.

55294731 is a deficient number, since it is larger than the sum of its proper divisors (36169653).

55294731 is a wasteful number, since it uses less digits than its factorization.

55294731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 114 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 55294731 is about 7436.0426975643. The cubic root of 55294731 is about 380.9733380810.

The spelling of 55294731 in words is "fifty-five million, two hundred ninety-four thousand, seven hundred thirty-one".