53439116 has 12 divisors (see below), whose sum is σ = 93819432. Its totient is φ = 26633568.

The previous prime is 53439107. The next prime is 53439119. The reversal of 53439116 is 61193435.

It is a super-2 number, since 2×53439116² = 5711478237722912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53439119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20090 + ... + 22593.

It is an arithmetic number, because the mean of its divisors is an integer number (7818286).

Almost surely, 2^53439116 is an apocalyptic number.

It is an amenable number.

53439116 is a deficient number, since it is larger than the sum of its proper divisors (40380316).

53439116 is a wasteful number, since it uses less digits than its factorization.

53439116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43000 (or 42998 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 53439116 is about 7310.2062898389. The cubic root of 53439116 is about 376.6631104510.

The spelling of 53439116 in words is "fifty-three million, four hundred thirty-nine thousand, one hundred sixteen".