53916831 has 6 divisors (see below), whose sum is σ = 77879880. Its totient is φ = 35944548.

The previous prime is 53916791. The next prime is 53916833. The reversal of 53916831 is 13861935.

It is a happy number.

It is not a de Polignac number, because 53916831 - 2⁶ = 53916767 is a prime.

It is a super-2 number, since 2×53916831² = 5814049330165122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53916833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2995371 + ... + 2995388.

It is an arithmetic number, because the mean of its divisors is an integer number (12979980).

Almost surely, 2^53916831 is an apocalyptic number.

53916831 is a deficient number, since it is larger than the sum of its proper divisors (23963049).

53916831 is a wasteful number, since it uses less digits than its factorization.

53916831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5990765 (or 5990762 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 53916831 is about 7342.8081140664. The cubic root of 53916831 is about 377.7821664202.

It can be divided in two parts, 5391683 and 1, that added together give a square (5391684 = 2322²).

The spelling of 53916831 in words is "fifty-three million, nine hundred sixteen thousand, eight hundred thirty-one".