49656120 has 128 divisors (see below), whose sum is σ = 162432000. Its totient is φ = 12096000.

The previous prime is 49656077. The next prime is 49656127. The reversal of 49656120 is 2165694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49656127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65745 + ... + 66495.

It is an arithmetic number, because the mean of its divisors is an integer number (1269000).

Almost surely, 2^49656120 is an apocalyptic number.

49656120 is a gapful number since it is divisible by the number (40) 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 49656120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81216000).

49656120 is an abundant number, since it is smaller than the sum of its proper divisors (112775880).

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

49656120 is a wasteful number, since it uses less digits than its factorization.

49656120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 809 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 49656120 is about 7046.7098705708. The cubic root of 49656120 is about 367.5566297109.

It can be divided in two parts, 496 and 56120, that added together give a triangular number (56616 = T₃₃₆).

The spelling of 49656120 in words is "forty-nine million, six hundred fifty-six thousand, one hundred twenty".