50520136 has 8 divisors (see below), whose sum is σ = 94725270. Its totient is φ = 25260064.

The previous prime is 50520109. The next prime is 50520137. The reversal of 50520136 is 63102505.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47527236 + 2992900 = 6894^2 + 1730^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (50520137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157501 + ... + 3157516.

Almost surely, 2^50520136 is an apocalyptic number.

It is an amenable number.

50520136 is a deficient number, since it is larger than the sum of its proper divisors (44205134).

50520136 is a wasteful number, since it uses less digits than its factorization.

50520136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315023 (or 6315019 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 50520136 is about 7107.7518245926. The cubic root of 50520136 is about 369.6762105234.

The spelling of 50520136 in words is "fifty million, five hundred twenty thousand, one hundred thirty-six".