49755240 has 48 divisors (see below), whose sum is σ = 161705700. Its totient is φ = 13267968.

The previous prime is 49755221. The next prime is 49755247. The reversal of 49755240 is 4255794.

It can be written as a sum of positive squares in 2 ways, for example, as 48358116 + 1397124 = 6954^2 + 1182^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 49755195 and 49755204.

It is not an unprimeable number, because it can be changed into a prime (49755247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68745 + ... + 69464.

Almost surely, 2^49755240 is an apocalyptic number.

49755240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49755240 is an abundant number, since it is smaller than the sum of its proper divisors (111950460).

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

49755240 is a wasteful number, since it uses less digits than its factorization.

49755240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138226 (or 138219 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 49755240 is about 7053.7394338039. The cubic root of 49755240 is about 367.8010305948.

The spelling of 49755240 in words is "forty-nine million, seven hundred fifty-five thousand, two hundred forty".