53929931 has 4 divisors (see below), whose sum is σ = 58832664. Its totient is φ = 49027200.

The previous prime is 53929907. The next prime is 53929943. The reversal of 53929931 is 13992935.

It is a happy number.

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 53929931 - 2¹⁰ = 53928907 is a prime.

It is a super-2 number, since 2×53929931² = 5816874915329522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53920931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2451350 + ... + 2451371.

It is an arithmetic number, because the mean of its divisors is an integer number (14708166).

Almost surely, 2^53929931 is an apocalyptic number.

53929931 is a deficient number, since it is larger than the sum of its proper divisors (4902733).

53929931 is a wasteful number, since it uses less digits than its factorization.

53929931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902732.

The product of its digits is 65610, while the sum is 41.

The square root of 53929931 is about 7343.7000891921. The cubic root of 53929931 is about 377.8127601176.

The spelling of 53929931 in words is "fifty-three million, nine hundred twenty-nine thousand, nine hundred thirty-one".