55184631 has 4 divisors (see below), whose sum is σ = 73579512. Its totient is φ = 36789752.

The previous prime is 55184621. The next prime is 55184639. The reversal of 55184631 is 13648155.

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

It is a cyclic number.

It is not a de Polignac number, because 55184631 - 2⁹ = 55184119 is a prime.

It is a super-2 number, since 2×55184631² = 6090686997212322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55184592 and 55184601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55184639) 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, 9197436 + ... + 9197441.

It is an arithmetic number, because the mean of its divisors is an integer number (18394878).

Almost surely, 2^55184631 is an apocalyptic number.

55184631 is a deficient number, since it is larger than the sum of its proper divisors (18394881).

55184631 is a wasteful number, since it uses less digits than its factorization.

55184631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18394880.

The product of its digits is 14400, while the sum is 33.

The square root of 55184631 is about 7428.6358774677. The cubic root of 55184631 is about 380.7203119530.

The spelling of 55184631 in words is "fifty-five million, one hundred eighty-four thousand, six hundred thirty-one".