50514981 has 32 divisors (see below), whose sum is σ = 76167168. Its totient is φ = 29514240.

The previous prime is 50514979. The next prime is 50514983. The reversal of 50514981 is 18941505.

It is an interprime number because it is at equal distance from previous prime (50514979) and next prime (50514983).

It is not a de Polignac number, because 50514981 - 2¹ = 50514979 is a prime.

It is a super-2 number, since 2×50514981² = 5103526610860722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50514983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137460 + ... + 137826.

It is an arithmetic number, because the mean of its divisors is an integer number (2380224).

Almost surely, 2^50514981 is an apocalyptic number.

It is an amenable number.

50514981 is a deficient number, since it is larger than the sum of its proper divisors (25652187).

50514981 is a wasteful number, since it uses less digits than its factorization.

50514981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 50514981 is about 7107.3891830967. The cubic root of 50514981 is about 369.6636363577.

The spelling of 50514981 in words is "fifty million, five hundred fourteen thousand, nine hundred eighty-one".