50761980 has 36 divisors (see below), whose sum is σ = 153978552. Its totient is φ = 13536480.

The previous prime is 50761933. The next prime is 50761981. The reversal of 50761980 is 8916705.

50761980 is a `hidden beast` number, since 507 + 61 + 98 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×50761980³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50761981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140826 + ... + 141185.

It is an arithmetic number, because the mean of its divisors is an integer number (4277182).

Almost surely, 2^50761980 is an apocalyptic number.

It is an amenable number.

50761980 is an abundant number, since it is smaller than the sum of its proper divisors (103216572).

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

50761980 is a wasteful number, since it uses less digits than its factorization.

50761980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282026 (or 282021 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 50761980 is about 7124.7442059347. The cubic root of 50761980 is about 370.2651617638.

It can be divided in two parts, 5076 and 1980, that added together give a square (7056 = 84²).

The spelling of 50761980 in words is "fifty million, seven hundred sixty-one thousand, nine hundred eighty".