48651615 has 24 divisors (see below), whose sum is σ = 85924800. Its totient is φ = 25456704.

The previous prime is 48651607. The next prime is 48651641. The reversal of 48651615 is 51615684.

It is not a de Polignac number, because 48651615 - 2³ = 48651607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48651615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7815 + ... + 12584.

It is an arithmetic number, because the mean of its divisors is an integer number (3580200).

Almost surely, 2^48651615 is an apocalyptic number.

48651615 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

48651615 is a deficient number, since it is larger than the sum of its proper divisors (37273185).

48651615 is a wasteful number, since it uses less digits than its factorization.

48651615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20463 (or 20460 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 48651615 is about 6975.0709673809. The cubic root of 48651615 is about 365.0612645021.

The spelling of 48651615 in words is "forty-eight million, six hundred fifty-one thousand, six hundred fifteen".