50917140 has 48 divisors (see below), whose sum is σ = 158410560. Its totient is φ = 13577760.

The previous prime is 50917133. The next prime is 50917171. The reversal of 50917140 is 4171905.

50917140 is a `hidden beast` number, since 509 + 17 + 140 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46606 + ... + 47685.

It is an arithmetic number, because the mean of its divisors is an integer number (3300220).

Almost surely, 2^50917140 is an apocalyptic number.

It is an amenable number.

50917140 is an abundant number, since it is smaller than the sum of its proper divisors (107493420).

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

50917140 is a wasteful number, since it uses less digits than its factorization.

50917140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94309 (or 94301 counting only the distinct ones).

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

The square root of 50917140 is about 7135.6247098625. The cubic root of 50917140 is about 370.6420311393.

The spelling of 50917140 in words is "fifty million, nine hundred seventeen thousand, one hundred forty".