50971140 has 96 divisors (see below), whose sum is σ = 173013120. Its totient is φ = 12355200.

The previous prime is 50971139. The next prime is 50971153. The reversal of 50971140 is 4117905.

It is a super-2 number, since 2×50971140² = 5196114225799200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1650 + ... + 10230.

It is an arithmetic number, because the mean of its divisors is an integer number (1802220).

Almost surely, 2^50971140 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 50971140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86506560).

50971140 is an abundant number, since it is smaller than the sum of its proper divisors (122041980).

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

50971140 is a wasteful number, since it uses less digits than its factorization.

50971140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8610 (or 8602 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 50971140 is about 7139.4075384446. The cubic root of 50971140 is about 370.7730125623.

The spelling of 50971140 in words is "fifty million, nine hundred seventy-one thousand, one hundred forty".