50109780 has 96 divisors (see below), whose sum is σ = 161360640. Its totient is φ = 11381760.

The previous prime is 50109721. The next prime is 50109793. The reversal of 50109780 is 8790105.

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 31 ways as a sum of consecutive naturals, for example, 95920 + ... + 96440.

It is an arithmetic number, because the mean of its divisors is an integer number (1680840).

Almost surely, 2^50109780 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 50109780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80680320).

50109780 is an abundant number, since it is smaller than the sum of its proper divisors (111250860).

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

50109780 is a wasteful number, since it uses less digits than its factorization.

50109780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 50109780 is about 7078.8261738794. The cubic root of 50109780 is about 368.6725747623.

Adding to 50109780 its reverse (8790105), we get a palindrome (58899885).

The spelling of 50109780 in words is "fifty million, one hundred nine thousand, seven hundred eighty".