49756140 has 96 divisors (see below), whose sum is σ = 176924160. Its totient is φ = 11371968.

The previous prime is 49756129. The next prime is 49756151. The reversal of 49756140 is 4165794.

49756140 is a `hidden beast` number, since 4 + 97 + 561 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (49756129) and next prime (49756151).

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 = 49756095 and 49756104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2802 + ... + 10361.

It is an arithmetic number, because the mean of its divisors is an integer number (1842960).

Almost surely, 2^49756140 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 49756140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88462080).

49756140 is an abundant number, since it is smaller than the sum of its proper divisors (127168020).

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

49756140 is a wasteful number, since it uses less digits than its factorization.

49756140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13188 (or 13180 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 49756140 is about 7053.8032294642. The cubic root of 49756140 is about 367.8032482435.

The spelling of 49756140 in words is "forty-nine million, seven hundred fifty-six thousand, one hundred forty".