53920008 has 24 divisors (see below), whose sum is σ = 146033550. Its totient is φ = 17973312.

The previous prime is 53920003. The next prime is 53920033. The reversal of 53920008 is 80002935.

It can be written as a sum of positive squares in only one way, i.e., 51236964 + 2683044 = 7158^2 + 1638^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (53920003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 374373 + ... + 374516.

Almost surely, 2^53920008 is an apocalyptic number.

It is an amenable number.

53920008 is an abundant number, since it is smaller than the sum of its proper divisors (92113542).

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

53920008 is a wasteful number, since it uses less digits than its factorization.

53920008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748901 (or 748894 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 53920008 is about 7343.0244450090. The cubic root of 53920008 is about 377.7895864308.

The spelling of 53920008 in words is "fifty-three million, nine hundred twenty thousand, eight".