50513775 has 48 divisors (see below), whose sum is σ = 90994176. Its totient is φ = 24577920.

The previous prime is 50513759. The next prime is 50513791. The reversal of 50513775 is 57731505.

It is an interprime number because it is at equal distance from previous prime (50513759) and next prime (50513791).

It is not a de Polignac number, because 50513775 - 2⁴ = 50513759 is a prime.

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, 100174 + ... + 100676.

It is an arithmetic number, because the mean of its divisors is an integer number (1895712).

Almost surely, 2^50513775 is an apocalyptic number.

50513775 is a deficient number, since it is larger than the sum of its proper divisors (40480401).

50513775 is a wasteful number, since it uses less digits than its factorization.

50513775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 18375, while the sum is 33.

The square root of 50513775 is about 7107.3043413097. The cubic root of 50513775 is about 369.6606945380.

The spelling of 50513775 in words is "fifty million, five hundred thirteen thousand, seven hundred seventy-five".