54897931 has 16 divisors (see below), whose sum is σ = 62208000. Its totient is φ = 47995200.

The previous prime is 54897929. The next prime is 54897937. The reversal of 54897931 is 13979845.

It is a happy number.

54897931 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 54897931 - 2¹ = 54897929 is a prime.

It is a super-2 number, since 2×54897931² = 6027565656161522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54897937) 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, 67455 + ... + 68263.

It is an arithmetic number, because the mean of its divisors is an integer number (3888000).

Almost surely, 2^54897931 is an apocalyptic number.

54897931 is a deficient number, since it is larger than the sum of its proper divisors (7310069).

54897931 is a wasteful number, since it uses less digits than its factorization.

54897931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050.

The product of its digits is 272160, while the sum is 46.

The square root of 54897931 is about 7409.3138008860. The cubic root of 54897931 is about 380.0598497606.

The spelling of 54897931 in words is "fifty-four million, eight hundred ninety-seven thousand, nine hundred thirty-one".