50231557 has 8 divisors (see below), whose sum is σ = 50779872. Its totient is φ = 49686000.

The previous prime is 50231507. The next prime is 50231569. The reversal of 50231557 is 75513205.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50231557 - 2²³ = 41842949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50231507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71307 + ... + 72007.

It is an arithmetic number, because the mean of its divisors is an integer number (6347484).

Almost surely, 2^50231557 is an apocalyptic number.

It is an amenable number.

50231557 is a deficient number, since it is larger than the sum of its proper divisors (548315).

50231557 is a wasteful number, since it uses less digits than its factorization.

50231557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 50231557 is about 7087.4224510749. The cubic root of 50231557 is about 368.9709830469.

The spelling of 50231557 in words is "fifty million, two hundred thirty-one thousand, five hundred fifty-seven".