53899722 has 32 divisors (see below), whose sum is σ = 121748160. Its totient is φ = 17670960.

The previous prime is 53899717. The next prime is 53899723. The reversal of 53899722 is 22799835.

53899722 is a `hidden beast` number, since 538 + 9 + 97 + 22 = 666.

It is not an unprimeable number, because it can be changed into a prime (53899723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4888 + ... + 11475.

It is an arithmetic number, because the mean of its divisors is an integer number (3804630).

Almost surely, 2^53899722 is an apocalyptic number.

53899722 is an abundant number, since it is smaller than the sum of its proper divisors (67848438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53899722 is a wasteful number, since it uses less digits than its factorization.

53899722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16435 (or 16429 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 53899722 is about 7341.6430041238. The cubic root of 53899722 is about 377.7422026541.

The spelling of 53899722 in words is "fifty-three million, eight hundred ninety-nine thousand, seven hundred twenty-two".