49212520 has 32 divisors (see below), whose sum is σ = 126547200. Its totient is φ = 16872768.

The previous prime is 49212509. The next prime is 49212521. The reversal of 49212520 is 2521294.

It is not an unprimeable number, because it can be changed into a prime (49212521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87600 + ... + 88159.

It is an arithmetic number, because the mean of its divisors is an integer number (3954600).

Almost surely, 2^49212520 is an apocalyptic number.

49212520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49212520 is an abundant number, since it is smaller than the sum of its proper divisors (77334680).

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

49212520 is a wasteful number, since it uses less digits than its factorization.

49212520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175777 (or 175773 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 49212520 is about 7015.1635761399. The cubic root of 49212520 is about 366.4588390662.

The spelling of 49212520 in words is "forty-nine million, two hundred twelve thousand, five hundred twenty".