49563840 has 112 divisors (see below), whose sum is σ = 166676832. Its totient is φ = 12435456.

The previous prime is 49563817. The next prime is 49563841. The reversal of 49563840 is 4836594.

It is not an unprimeable number, because it can be changed into a prime (49563841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14802 + ... + 17838.

It is an arithmetic number, because the mean of its divisors is an integer number (1488186).

Almost surely, 2^49563840 is an apocalyptic number.

49563840 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 49563840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83338416).

49563840 is an abundant number, since it is smaller than the sum of its proper divisors (117112992).

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

49563840 is a wasteful number, since it uses less digits than its factorization.

49563840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074 (or 3064 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 49563840 is about 7040.1590891116. The cubic root of 49563840 is about 367.3288017450.

It can be divided in two parts, 49563 and 840, that added together give a triangular number (50403 = T₃₁₇).

The spelling of 49563840 in words is "forty-nine million, five hundred sixty-three thousand, eight hundred forty".