52902515650 has 24 divisors (see below), whose sum is σ = 98436868164. Its totient is φ = 21152793600.

The previous prime is 52902515629. The next prime is 52902515683. The reversal of 52902515650 is 5651520925.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 10799989929 + 42102525721 = 103923^2 + 205189^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74371 + ... + 333670.

Almost surely, 2^52902515650 is an apocalyptic number.

52902515650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52902515650 is a deficient number, since it is larger than the sum of its proper divisors (45534352514).

52902515650 is a wasteful number, since it uses less digits than its factorization.

52902515650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410646 (or 410641 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 52902515650 in words is "fifty-two billion, nine hundred two million, five hundred fifteen thousand, six hundred fifty".