50756557 has 4 divisors (see below), whose sum is σ = 50772960. Its totient is φ = 50740156.

The previous prime is 50756539. The next prime is 50756567. The reversal of 50756557 is 75565705.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75565705 = 5 ⋅15113141.

It is a cyclic number.

It is not a de Polignac number, because 50756557 - 2¹⁹ = 50232269 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 (50756527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1993 + ... + 10270.

It is an arithmetic number, because the mean of its divisors is an integer number (12693240).

Almost surely, 2^50756557 is an apocalyptic number.

It is an amenable number.

50756557 is a deficient number, since it is larger than the sum of its proper divisors (16403).

50756557 is a wasteful number, since it uses less digits than its factorization.

50756557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16402.

The product of its (nonzero) digits is 183750, while the sum is 40.

The square root of 50756557 is about 7124.3636207033. The cubic root of 50756557 is about 370.2519759144.

The spelling of 50756557 in words is "fifty million, seven hundred fifty-six thousand, five hundred fifty-seven".