55294831 has 4 divisors (see below), whose sum is σ = 55328472. Its totient is φ = 55261192.

The previous prime is 55294819. The next prime is 55294843. The reversal of 55294831 is 13849255.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (55294819) and next prime (55294843).

It is a cyclic number.

It is not a de Polignac number, because 55294831 - 2¹³ = 55286639 is a prime.

It is a super-2 number, since 2×55294831² = 6115036670637122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55294331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14221 + ... + 17686.

It is an arithmetic number, because the mean of its divisors is an integer number (13832118).

Almost surely, 2^55294831 is an apocalyptic number.

55294831 is a deficient number, since it is larger than the sum of its proper divisors (33641).

55294831 is a wasteful number, since it uses less digits than its factorization.

55294831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33640.

The product of its digits is 43200, while the sum is 37.

The square root of 55294831 is about 7436.0494215679. The cubic root of 55294831 is about 380.9735677430.

The spelling of 55294831 in words is "fifty-five million, two hundred ninety-four thousand, eight hundred thirty-one".