50556157 has 8 divisors (see below), whose sum is σ = 52065720. Its totient is φ = 49059840.

The previous prime is 50556127. The next prime is 50556167. The reversal of 50556157 is 75165505.

It can be written as a sum of positive squares in 4 ways, for example, as 7338681 + 43217476 = 2709^2 + 6574^2 .

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 50556157 - 2⁷ = 50556029 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 (50556127) 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, 4719 + ... + 11107.

It is an arithmetic number, because the mean of its divisors is an integer number (6508215).

Almost surely, 2^50556157 is an apocalyptic number.

It is an amenable number.

50556157 is a deficient number, since it is larger than the sum of its proper divisors (1509563).

50556157 is a wasteful number, since it uses less digits than its factorization.

50556157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6623.

The product of its (nonzero) digits is 26250, while the sum is 34.

The square root of 50556157 is about 7110.2852966671. The cubic root of 50556157 is about 369.7640497118.

The spelling of 50556157 in words is "fifty million, five hundred fifty-six thousand, one hundred fifty-seven".