50747904 has 80 divisors (see below), whose sum is σ = 150258240. Its totient is φ = 16911360.

The previous prime is 50747903. The next prime is 50747909. The reversal of 50747904 is 40974705.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (50747903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11989 + ... + 15659.

It is an arithmetic number, because the mean of its divisors is an integer number (1878228).

Almost surely, 2^50747904 is an apocalyptic number.

50747904 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50747904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75129120).

50747904 is an abundant number, since it is smaller than the sum of its proper divisors (99510336).

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

50747904 is an equidigital number, since it uses as much as digits as its factorization.

50747904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698 (or 3676 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 50747904 is about 7123.7563125082. The cubic root of 50747904 is about 370.2309344791.

The spelling of 50747904 in words is "fifty million, seven hundred forty-seven thousand, nine hundred four".