50977830 has 32 divisors (see below), whose sum is σ = 122976000. Its totient is φ = 13524192.

The previous prime is 50977813. The next prime is 50977847. The reversal of 50977830 is 3877905.

It is an interprime number because it is at equal distance from previous prime (50977813) and next prime (50977847).

It is a Curzon number.

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, 1701 + ... + 10239.

It is an arithmetic number, because the mean of its divisors is an integer number (3843000).

Almost surely, 2^50977830 is an apocalyptic number.

50977830 is an abundant number, since it is smaller than the sum of its proper divisors (71998170).

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

50977830 is a wasteful number, since it uses less digits than its factorization.

50977830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8748.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 50977830 is about 7139.8760493443. The cubic root of 50977830 is about 370.7892332638.

The spelling of 50977830 in words is "fifty million, nine hundred seventy-seven thousand, eight hundred thirty".