49879456 has 96 divisors (see below), whose sum is σ = 114742656. Its totient is φ = 21120000.

The previous prime is 49879451. The next prime is 49879457. The reversal of 49879456 is 65497894.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (49879451) 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, 493806 + ... + 493906.

It is an arithmetic number, because the mean of its divisors is an integer number (1195236).

Almost surely, 2^49879456 is an apocalyptic number.

49879456 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49879456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57371328).

49879456 is an abundant number, since it is smaller than the sum of its proper divisors (64863200).

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

49879456 is a wasteful number, since it uses less digits than its factorization.

49879456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 198 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 49879456 is about 7062.5389202467. The cubic root of 49879456 is about 368.1068530290.

The spelling of 49879456 in words is "forty-nine million, eight hundred seventy-nine thousand, four hundred fifty-six".