50042557 has 2 divisors, whose sum is σ = 50042558. Its totient is φ = 50042556.

The previous prime is 50042539. The next prime is 50042563. The reversal of 50042557 is 75524005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35212356 + 14830201 = 5934^2 + 3851^2 .

It is a cyclic number.

It is not a de Polignac number, because 50042557 - 2²³ = 41653949 is a prime.

It is a super-2 number, since 2×50042557² = 5008515022196498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50042507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25021278 + 25021279.

It is an arithmetic number, because the mean of its divisors is an integer number (25021279).

Almost surely, 2^50042557 is an apocalyptic number.

It is an amenable number.

50042557 is a deficient number, since it is larger than the sum of its proper divisors (1).

50042557 is an equidigital number, since it uses as much as digits as its factorization.

50042557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 50042557 is about 7074.0764061466. The cubic root of 50042557 is about 368.5076411097.

The spelling of 50042557 in words is "fifty million, forty-two thousand, five hundred fifty-seven".