55364631 has 16 divisors (see below), whose sum is σ = 89328384. Its totient is φ = 29775744.

The previous prime is 55364629. The next prime is 55364641. The reversal of 55364631 is 13646355.

55364631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55364631 - 2¹ = 55364629 is a prime.

It is a super-2 number, since 2×55364631² = 6130484731532322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55364592 and 55364601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55364641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77185 + ... + 77898.

It is an arithmetic number, because the mean of its divisors is an integer number (5583024).

Almost surely, 2^55364631 is an apocalyptic number.

55364631 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

55364631 is a deficient number, since it is larger than the sum of its proper divisors (33963753).

55364631 is a wasteful number, since it uses less digits than its factorization.

55364631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155110.

The product of its digits is 32400, while the sum is 33.

The square root of 55364631 is about 7440.7412937153. The cubic root of 55364631 is about 381.1338043822.

The spelling of 55364631 in words is "fifty-five million, three hundred sixty-four thousand, six hundred thirty-one".