50557980 has 48 divisors (see below), whose sum is σ = 154433664. Its totient is φ = 12256320.

The previous prime is 50557973. The next prime is 50557987. The reversal of 50557980 is 8975505.

It is an interprime number because it is at equal distance from previous prime (50557973) and next prime (50557987).

It is a super-2 number, since 2×50557980² = 5112218683360800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50557987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37642 + ... + 38961.

It is an arithmetic number, because the mean of its divisors is an integer number (3217368).

Almost surely, 2^50557980 is an apocalyptic number.

It is an amenable number.

50557980 is an abundant number, since it is smaller than the sum of its proper divisors (103875684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50557980 is a wasteful number, since it uses less digits than its factorization.

50557980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76626 (or 76624 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 39.

The square root of 50557980 is about 7110.4134900862. The cubic root of 50557980 is about 369.7684940881.

It can be divided in two parts, 505 and 57980, that added together give a palindrome (58485).

The spelling of 50557980 in words is "fifty million, five hundred fifty-seven thousand, nine hundred eighty".