50511656 has 16 divisors (see below), whose sum is σ = 101994900. Its totient is φ = 23313024.

The previous prime is 50511653. The next prime is 50511667. The reversal of 50511656 is 65611505.

50511656 = 1119² + 1120² + ... + 1157².

It can be written as a sum of positive squares in 2 ways, for example, as 41809156 + 8702500 = 6466^2 + 2950^2 .

It is not an unprimeable number, because it can be changed into a prime (50511653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242741 + ... + 242948.

Almost surely, 2^50511656 is an apocalyptic number.

It is an amenable number.

50511656 is an abundant number, since it is smaller than the sum of its proper divisors (51483244).

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

50511656 is a wasteful number, since it uses less digits than its factorization.

50511656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485708 (or 485704 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 50511656 is about 7107.1552677566. The cubic root of 50511656 is about 369.6555255060.

The spelling of 50511656 in words is "fifty million, five hundred eleven thousand, six hundred fifty-six".