48681815 has 16 divisors (see below), whose sum is σ = 71899968. Its totient is φ = 30813696.

The previous prime is 48681799. The next prime is 48681821. The reversal of 48681815 is 51818684.

It is a cyclic number.

It is not a de Polignac number, because 48681815 - 2⁴ = 48681799 is a prime.

It is a super-2 number, since 2×48681815² = 4739838223388450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53042 + ... + 53951.

It is an arithmetic number, because the mean of its divisors is an integer number (4493748).

Almost surely, 2^48681815 is an apocalyptic number.

48681815 is a deficient number, since it is larger than the sum of its proper divisors (23218153).

48681815 is a wasteful number, since it uses less digits than its factorization.

48681815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107018.

The product of its digits is 61440, while the sum is 41.

The square root of 48681815 is about 6977.2354840581. The cubic root of 48681815 is about 365.1367849124.

The spelling of 48681815 in words is "forty-eight million, six hundred eighty-one thousand, eight hundred fifteen".