53920090 has 48 divisors (see below), whose sum is σ = 119561832. Its totient is φ = 17396736.

The previous prime is 53920033. The next prime is 53920099. The reversal of 53920090 is 9002935.

53920090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 42107121 + 11812969 = 6489^2 + 3437^2 .

It is a super-2 number, since 2×53920090² = 5814752211216200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53920099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5094 + ... + 11566.

Almost surely, 2^53920090 is an apocalyptic number.

53920090 is an abundant number, since it is smaller than the sum of its proper divisors (65641742).

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

53920090 is a wasteful number, since it uses less digits than its factorization.

53920090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6511 (or 6504 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 53920090 is about 7343.0300285373. The cubic root of 53920090 is about 377.7897779412.

The spelling of 53920090 in words is "fifty-three million, nine hundred twenty thousand, ninety".