49515120 has 60 divisors (see below), whose sum is σ = 166290696. Its totient is φ = 13203840.

The previous prime is 49515119. The next prime is 49515127. The reversal of 49515120 is 2151594.

49515120 is a `hidden beast` number, since 495 + 151 + 20 = 666.

49515120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×49515120² = 4903494217228800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49515127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33666 + ... + 35105.

Almost surely, 2^49515120 is an apocalyptic number.

49515120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49515120 is an abundant number, since it is smaller than the sum of its proper divisors (116775576).

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

49515120 is a wasteful number, since it uses less digits than its factorization.

49515120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68790 (or 68781 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 49515120 is about 7036.6980893030. The cubic root of 49515120 is about 367.2084039827.

The spelling of 49515120 in words is "forty-nine million, five hundred fifteen thousand, one hundred twenty".