50791537 has 6 divisors (see below), whose sum is σ = 51897458. Its totient is φ = 49708704.

The previous prime is 50791523. The next prime is 50791571. The reversal of 50791537 is 73519705.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 48385936 + 2405601 = 6956^2 + 1551^2 .

It is not a de Polignac number, because 50791537 - 2⁷ = 50791409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50791496 and 50791505.

It is not an unprimeable number, because it can be changed into a prime (50798537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9288 + ... + 13705.

Almost surely, 2^50791537 is an apocalyptic number.

It is an amenable number.

50791537 is a deficient number, since it is larger than the sum of its proper divisors (1105921).

50791537 is an equidigital number, since it uses as much as digits as its factorization.

50791537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23087 (or 23040 counting only the distinct ones).

The product of its (nonzero) digits is 33075, while the sum is 37.

The square root of 50791537 is about 7126.8181539871. The cubic root of 50791537 is about 370.3370121525.

The spelling of 50791537 in words is "fifty million, seven hundred ninety-one thousand, five hundred thirty-seven".