50789970 has 192 divisors, whose sum is σ = 172368000. Its totient is φ = 10523520.

The previous prime is 50789951. The next prime is 50789987. The reversal of 50789970 is 7998705.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon 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, 145356 + ... + 145704.

It is an arithmetic number, because the mean of its divisors is an integer number (897750).

Almost surely, 2^50789970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50789970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86184000).

50789970 is an abundant number, since it is smaller than the sum of its proper divisors (121578030).

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

50789970 is a wasteful number, since it uses less digits than its factorization.

50789970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The square root of 50789970 is about 7126.7082162805. The cubic root of 50789970 is about 370.3332036173. Note that the first 3 decimals are identical.

The spelling of 50789970 in words is "fifty million, seven hundred eighty-nine thousand, nine hundred seventy".