53973699 has 32 divisors (see below), whose sum is σ = 82252800. Its totient is φ = 31393440.

The previous prime is 53973683. The next prime is 53973707. The reversal of 53973699 is 99637935.

It is not a de Polignac number, because 53973699 - 2⁴ = 53973683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53973679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125014 + ... + 125444.

It is an arithmetic number, because the mean of its divisors is an integer number (2570400).

Almost surely, 2^53973699 is an apocalyptic number.

53973699 is a deficient number, since it is larger than the sum of its proper divisors (28279101).

53973699 is a wasteful number, since it uses less digits than its factorization.

53973699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 466 counting only the distinct ones).

The product of its digits is 1377810, while the sum is 51.

The square root of 53973699 is about 7346.6794540119. The cubic root of 53973699 is about 377.9149398483.

The spelling of 53973699 in words is "fifty-three million, nine hundred seventy-three thousand, six hundred ninety-nine".