50554043815 has 48 divisors (see below), whose sum is σ = 69667545024. Its totient is φ = 35123996160.

The previous prime is 50554043807. The next prime is 50554043857. The reversal of 50554043815 is 51834045505.

It is not a de Polignac number, because 50554043815 - 2³ = 50554043807 is a prime.

It is a super-2 number, since 2×50554043815² (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 47 ways as a sum of consecutive naturals, for example, 14372437 + ... + 14375953.

It is an arithmetic number, because the mean of its divisors is an integer number (1451407188).

Almost surely, 2^50554043815 is an apocalyptic number.

50554043815 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

50554043815 is a deficient number, since it is larger than the sum of its proper divisors (19113501209).

50554043815 is a wasteful number, since it uses less digits than its factorization.

50554043815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600 (or 4589 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 50554043815 in words is "fifty billion, five hundred fifty-four million, forty-three thousand, eight hundred fifteen".