50457275478 has 24 divisors (see below), whose sum is σ = 114077319408. Its totient is φ = 16087826832.

The previous prime is 50457275443. The next prime is 50457275507. The reversal of 50457275478 is 87457275405.

50457275478 is a `hidden beast` number, since 50 + 4 + 57 + 2 + 75 + 478 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 60938325 + ... + 60939152.

It is an arithmetic number, because the mean of its divisors is an integer number (4753221642).

Almost surely, 2^50457275478 is an apocalyptic number.

50457275478 is an abundant number, since it is smaller than the sum of its proper divisors (63620043930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50457275478 is a wasteful number, since it uses less digits than its factorization.

50457275478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121877508 (or 121877505 counting only the distinct ones).

The product of its (nonzero) digits is 10976000, while the sum is 54.

The spelling of 50457275478 in words is "fifty billion, four hundred fifty-seven million, two hundred seventy-five thousand, four hundred seventy-eight".