53890651264 has 16 divisors (see below), whose sum is σ = 107360282070. Its totient is φ = 26945325568.

The previous prime is 53890651261. The next prime is 53890651277. The reversal of 53890651264 is 46215609835.

It can be written as a sum of positive squares in only one way, i.e., 33418764864 + 20471886400 = 182808^2 + 143080^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (53890651261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210510229 + ... + 210510484.

Almost surely, 2^53890651264 is an apocalyptic number.

It is an amenable number.

53890651264 is a deficient number, since it is larger than the sum of its proper divisors (53469630806).

53890651264 is an equidigital number, since it uses as much as digits as its factorization.

53890651264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421020727 (or 421020715 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 53890651264 in words is "fifty-three billion, eight hundred ninety million, six hundred fifty-one thousand, two hundred sixty-four".