55494931 has 8 divisors (see below), whose sum is σ = 57288800. Its totient is φ = 53716608.

The previous prime is 55494911. The next prime is 55494937. The reversal of 55494931 is 13949455.

55494931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55494931 - 2¹⁷ = 55363859 is a prime.

It is a super-2 number, since 2×55494931² = 6159374733389522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55494937) 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 7 ways as a sum of consecutive naturals, for example, 3595 + ... + 11131.

It is an arithmetic number, because the mean of its divisors is an integer number (7161100).

Almost surely, 2^55494931 is an apocalyptic number.

55494931 is a deficient number, since it is larger than the sum of its proper divisors (1793869).

55494931 is a wasteful number, since it uses less digits than its factorization.

55494931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7773.

The product of its digits is 97200, while the sum is 40.

The square root of 55494931 is about 7449.4919961028. The cubic root of 55494931 is about 381.4325680829.

The spelling of 55494931 in words is "fifty-five million, four hundred ninety-four thousand, nine hundred thirty-one".