50042780 has 48 divisors (see below), whose sum is σ = 108380160. Its totient is φ = 19399488.

The previous prime is 50042767. The next prime is 50042791. The reversal of 50042780 is 8724005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130469 + ... + 130851.

It is an arithmetic number, because the mean of its divisors is an integer number (2257920).

Almost surely, 2^50042780 is an apocalyptic number.

It is an amenable number.

50042780 is an abundant number, since it is smaller than the sum of its proper divisors (58337380).

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

50042780 is a wasteful number, since it uses less digits than its factorization.

50042780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 50042780 is about 7074.0921679039. The cubic root of 50042780 is about 368.5081884911.

Adding to 50042780 its reverse (8724005), we get a palindrome (58766785).

The spelling of 50042780 in words is "fifty million, forty-two thousand, seven hundred eighty".