53000008 has 8 divisors (see below), whose sum is σ = 99375030. Its totient is φ = 26500000.

The previous prime is 52999967. The next prime is 53000011. The reversal of 53000008 is 80000035.

It can be written as a sum of positive squares in only one way, i.e., 52157284 + 842724 = 7222^2 + 918^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 52999955 and 53000000.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3312493 + ... + 3312508.

Almost surely, 2^53000008 is an apocalyptic number.

It is an amenable number.

53000008 is a deficient number, since it is larger than the sum of its proper divisors (46375022).

53000008 is a wasteful number, since it uses less digits than its factorization.

53000008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625007 (or 6625003 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 53000008 is about 7280.1104387228. The cubic root of 53000008 is about 375.6285943217.

The spelling of 53000008 in words is "fifty-three million, eight", and thus it is an aban number and an uban number.