50997656 has 16 divisors (see below), whose sum is σ = 97845000. Its totient is φ = 24905664.

The previous prime is 50997649. The next prime is 50997659. The reversal of 50997656 is 65679905.

It is a self number, because there is not a number n which added to its sum of digits gives 50997656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50997659) 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, 73781 + ... + 74468.

Almost surely, 2^50997656 is an apocalyptic number.

It is an amenable number.

50997656 is a deficient number, since it is larger than the sum of its proper divisors (46847344).

50997656 is a wasteful number, since it uses less digits than its factorization.

50997656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148298 (or 148294 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 47.

The square root of 50997656 is about 7141.2643138313. The cubic root of 50997656 is about 370.8372954282.

The spelling of 50997656 in words is "fifty million, nine hundred ninety-seven thousand, six hundred fifty-six".