49015520 has 24 divisors (see below), whose sum is σ = 115799544. Its totient is φ = 19606144.

The previous prime is 49015469. The next prime is 49015559. The reversal of 49015520 is 2551094.

It is a self number, because there is not a number n which added to its sum of digits gives 49015520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153014 + ... + 153333.

It is an arithmetic number, because the mean of its divisors is an integer number (4824981).

Almost surely, 2^49015520 is an apocalyptic number.

49015520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49015520 is an abundant number, since it is smaller than the sum of its proper divisors (66784024).

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

49015520 is a wasteful number, since it uses less digits than its factorization.

49015520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306362 (or 306354 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 49015520 is about 7001.1084836617. The cubic root of 49015520 is about 365.9692012265.

The spelling of 49015520 in words is "forty-nine million, fifteen thousand, five hundred twenty".