53126563400 has 24 divisors (see below), whose sum is σ = 123519260370. Its totient is φ = 21250625280.

The previous prime is 53126563319. The next prime is 53126563421. The reversal of 53126563400 is 436562135.

It can be written as a sum of positive squares in 3 ways, for example, as 39174701476 + 13951861924 = 197926^2 + 118118^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132816209 + ... + 132816608.

Almost surely, 2^53126563400 is an apocalyptic number.

53126563400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53126563400 is an abundant number, since it is smaller than the sum of its proper divisors (70392696970).

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

53126563400 is a wasteful number, since it uses less digits than its factorization.

53126563400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265632833 (or 265632824 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 53126563400 in words is "fifty-three billion, one hundred twenty-six million, five hundred sixty-three thousand, four hundred".