50753640 has 256 divisors, whose sum is σ = 189112320. Its totient is φ = 10644480.

The previous prime is 50753623. The next prime is 50753641. The reversal of 50753640 is 4635705.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 50753598 and 50753607.

It is not an unprimeable number, because it can be changed into a prime (50753641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 714805 + ... + 714875.

It is an arithmetic number, because the mean of its divisors is an integer number (738720).

Almost surely, 2^50753640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50753640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94556160).

50753640 is an abundant number, since it is smaller than the sum of its proper divisors (138358680).

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

50753640 is a wasteful number, since it uses less digits than its factorization.

50753640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 50753640 is about 7124.1588977226. The cubic root of 50753640 is about 370.2448829346.

The spelling of 50753640 in words is "fifty million, seven hundred fifty-three thousand, six hundred forty".