49819456 has 42 divisors (see below), whose sum is σ = 101453442. Its totient is φ = 24272640.

The previous prime is 49819453. The next prime is 49819457. The reversal of 49819456 is 65491894.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26625600 + 23193856 = 5160^2 + 4816^2 .

It is a super-2 number, since 2×49819456² = 4963956392271872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49819453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118126 + ... + 118546.

Almost surely, 2^49819456 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 49819456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50726721).

49819456 is an abundant number, since it is smaller than the sum of its proper divisors (51633986).

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

49819456 is an equidigital number, since it uses as much as digits as its factorization.

49819456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 466 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 49819456 is about 7058.2898778670. The cubic root of 49819456 is about 367.9591952236.

The spelling of 49819456 in words is "forty-nine million, eight hundred nineteen thousand, four hundred fifty-six".