49939560 has 96 divisors (see below), whose sum is σ = 177072480. Its totient is φ = 12105600.

The previous prime is 49939511. The next prime is 49939607. The reversal of 49939560 is 6593994.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2346 + ... + 10265.

It is an arithmetic number, because the mean of its divisors is an integer number (1844505).

Almost surely, 2^49939560 is an apocalyptic number.

49939560 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 49939560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88536240).

49939560 is an abundant number, since it is smaller than the sum of its proper divisors (127132920).

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

49939560 is a wasteful number, since it uses less digits than its factorization.

49939560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12639 (or 12632 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 49939560 is about 7066.7927661705. The cubic root of 49939560 is about 368.2546481025.

The spelling of 49939560 in words is "forty-nine million, nine hundred thirty-nine thousand, five hundred sixty".