50870820 has 288 divisors, whose sum is σ = 196269696. Its totient is φ = 9757440.

The previous prime is 50870797. The next prime is 50870857. The reversal of 50870820 is 2807805.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3913134 + ... + 3913146.

It is an arithmetic number, because the mean of its divisors is an integer number (681492).

Almost surely, 2^50870820 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 50870820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98134848).

50870820 is an abundant number, since it is smaller than the sum of its proper divisors (145398876).

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

50870820 is a wasteful number, since it uses less digits than its factorization.

50870820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 50870820 is about 7132.3782849762. The cubic root of 50870820 is about 370.5296043773.

The spelling of 50870820 in words is "fifty million, eight hundred seventy thousand, eight hundred twenty".