50720763855 has 16 divisors (see below), whose sum is σ = 81156714624. Its totient is φ = 27049909920.

The previous prime is 50720763833. The next prime is 50720763871. The reversal of 50720763855 is 55836702705.

It is not a de Polignac number, because 50720763855 - 2⁷ = 50720763727 is a prime.

It is a super-2 number, since 2×50720763855² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377160 + ... + 493650.

It is an arithmetic number, because the mean of its divisors is an integer number (5072294664).

Almost surely, 2^50720763855 is an apocalyptic number.

50720763855 is a deficient number, since it is larger than the sum of its proper divisors (30435950769).

50720763855 is a wasteful number, since it uses less digits than its factorization.

50720763855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145526.

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 50720763855 in words is "fifty billion, seven hundred twenty million, seven hundred sixty-three thousand, eight hundred fifty-five".