50415517156 has 27 divisors (see below), whose sum is σ = 89009647657. Its totient is φ = 24986143520.

The previous prime is 50415517153. The next prime is 50415517171. The reversal of 50415517156 is 65171551405.

The square root of 50415517156 is 224534.

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

It can be written as a sum of positive squares in only one way, i.e., 46720822500 + 3694694656 = 216150^2 + 60784^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50415517153) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 58827480 + ... + 58828336.

Almost surely, 2^50415517156 is an apocalyptic number.

50415517156 is the 224534-th square number.

It is an amenable number.

50415517156 is a deficient number, since it is larger than the sum of its proper divisors (38594130501).

50415517156 is an frugal number, since it uses more digits than its factorization.

50415517156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 40.

The spelling of 50415517156 in words is "fifty billion, four hundred fifteen million, five hundred seventeen thousand, one hundred fifty-six".