50508756 has 18 divisors (see below), whose sum is σ = 127675002. Its totient is φ = 16836240.

The previous prime is 50508697. The next prime is 50508763. The reversal of 50508756 is 65780505.

It can be written as a sum of positive squares in only one way, i.e., 48860100 + 1648656 = 6990^2 + 1284^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×50508756² = 5102268865335072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1403021 = 50508756 / (5 + 0 + 5 + 0 + 8 + 7 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 50508756.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 701475 + ... + 701546.

Almost surely, 2^50508756 is an apocalyptic number.

It is an amenable number.

50508756 is an abundant number, since it is smaller than the sum of its proper divisors (77166246).

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

50508756 is a wasteful number, since it uses less digits than its factorization.

50508756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403031 (or 1403026 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 50508756 is about 7106.9512450839. The cubic root of 50508756 is about 369.6484510891.

The spelling of 50508756 in words is "fifty million, five hundred eight thousand, seven hundred fifty-six".