49175920 has 80 divisors (see below), whose sum is σ = 119992320. Its totient is φ = 18720000.

The previous prime is 49175911. The next prime is 49175927. The reversal of 49175920 is 2957194.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×49175920² = 4836542215692800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49175920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49175927) 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, 195795 + ... + 196045.

It is an arithmetic number, because the mean of its divisors is an integer number (1499904).

Almost surely, 2^49175920 is an apocalyptic number.

49175920 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 49175920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59996160).

49175920 is an abundant number, since it is smaller than the sum of its proper divisors (70816400).

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

49175920 is a wasteful number, since it uses less digits than its factorization.

49175920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 49175920 is about 7012.5544561165. The cubic root of 49175920 is about 366.3679697787.

The spelling of 49175920 in words is "forty-nine million, one hundred seventy-five thousand, nine hundred twenty".