53615402500 has 135 divisors (see below), whose sum is σ = 129180721593. Its totient is φ = 19450200000.

The previous prime is 53615402483. The next prime is 53615402501. The reversal of 53615402500 is 520451635.

The square root of 53615402500 is 231550.

It is a perfect power (a square), and thus also a powerful number.

53615402500 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 7 ways, for example, as 51178203076 + 2437199424 = 226226^2 + 49368^2 .

It is a super-2 number, since 2×53615402500² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53615402501) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 127352290 + ... + 127352710.

Almost surely, 2^53615402500 is an apocalyptic number.

53615402500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53615402500 is the 231550-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53615402500

53615402500 is an abundant number, since it is smaller than the sum of its proper divisors (75565319093).

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

53615402500 is an equidigital number, since it uses as much as digits as its factorization.

53615402500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 53615402500 in words is "fifty-three billion, six hundred fifteen million, four hundred two thousand, five hundred".