50881380 has 48 divisors (see below), whose sum is σ = 155421504. Its totient is φ = 12334720.

The previous prime is 50881379. The next prime is 50881387. The reversal of 50881380 is 8318805.

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

It is not an unprimeable number, because it can be changed into a prime (50881387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37887 + ... + 39206.

It is an arithmetic number, because the mean of its divisors is an integer number (3237948).

Almost surely, 2^50881380 is an apocalyptic number.

It is an amenable number.

50881380 is an abundant number, since it is smaller than the sum of its proper divisors (104540124).

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

50881380 is a wasteful number, since it uses less digits than its factorization.

50881380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77116 (or 77114 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 50881380 is about 7133.1185325915. The cubic root of 50881380 is about 370.5552413529. Note that the first 3 decimals are identical.

The spelling of 50881380 in words is "fifty million, eight hundred eighty-one thousand, three hundred eighty".