49980992 has 14 divisors (see below), whose sum is σ = 99181158. Its totient is φ = 24990464.

The previous prime is 49980991. The next prime is 49981079. The reversal of 49980992 is 29908994.

It can be written as a sum of positive squares in only one way, i.e., 29333056 + 20647936 = 5416^2 + 4544^2 .

It is a super-2 number, since 2×49980992² = 4996199122608128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49980992.

It is not an unprimeable number, because it can be changed into a prime (49980991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390413 + ... + 390540.

Almost surely, 2^49980992 is an apocalyptic number.

It is an amenable number.

49980992 is a deficient number, since it is larger than the sum of its proper divisors (49200166).

49980992 is an equidigital number, since it uses as much as digits as its factorization.

49980992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780965 (or 780955 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 49980992 is about 7069.7236155312. The cubic root of 49980992 is about 368.3564598998.

The spelling of 49980992 in words is "forty-nine million, nine hundred eighty thousand, nine hundred ninety-two".