50779290 has 32 divisors (see below), whose sum is σ = 126074880. Its totient is φ = 13073984.

The previous prime is 50779243. The next prime is 50779291. The reversal of 50779290 is 9297705.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50779291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28314 + ... + 30053.

It is an arithmetic number, because the mean of its divisors is an integer number (3939840).

Almost surely, 2^50779290 is an apocalyptic number.

50779290 is an abundant number, since it is smaller than the sum of its proper divisors (75295590).

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

50779290 is a wasteful number, since it uses less digits than its factorization.

50779290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58406.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 50779290 is about 7125.9588828452. The cubic root of 50779290 is about 370.3072441883.

It can be divided in two parts, 507 and 79290, that added together give a palindrome (79797).

The spelling of 50779290 in words is "fifty million, seven hundred seventy-nine thousand, two hundred ninety".