50215531457 has 16 divisors (see below), whose sum is σ = 61811444352. Its totient is φ = 39726011520.

The previous prime is 50215531453. The next prime is 50215531459. The reversal of 50215531457 is 75413551205.

It is not a de Polignac number, because 50215531457 - 2² = 50215531453 is a prime.

It is a super-3 number, since 3×50215531457³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50215531457.

It is not an unprimeable number, because it can be changed into a prime (50215531453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 812582 + ... + 872192.

It is an arithmetic number, because the mean of its divisors is an integer number (3863215272).

Almost surely, 2^50215531457 is an apocalyptic number.

It is an amenable number.

50215531457 is a deficient number, since it is larger than the sum of its proper divisors (11595912895).

50215531457 is a wasteful number, since it uses less digits than its factorization.

50215531457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68888.

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 50215531457 in words is "fifty billion, two hundred fifteen million, five hundred thirty-one thousand, four hundred fifty-seven".