49775240 has 16 divisors (see below), whose sum is σ = 111994380. Its totient is φ = 19910080.

The previous prime is 49775233. The next prime is 49775261. The reversal of 49775240 is 4257794.

It can be written as a sum of positive squares in 2 ways, for example, as 45670564 + 4104676 = 6758^2 + 2026^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49775194 and 49775203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622151 + ... + 622230.

Almost surely, 2^49775240 is an apocalyptic number.

49775240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49775240 is an abundant number, since it is smaller than the sum of its proper divisors (62219140).

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

49775240 is a wasteful number, since it uses less digits than its factorization.

49775240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244392 (or 1244388 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 49775240 is about 7055.1569791182. The cubic root of 49775240 is about 367.8503053727.

The spelling of 49775240 in words is "forty-nine million, seven hundred seventy-five thousand, two hundred forty".