48115639 has 16 divisors (see below), whose sum is σ = 57738240. Its totient is φ = 39512160.

The previous prime is 48115637. The next prime is 48115699. The reversal of 48115639 is 93651184.

It is a cyclic number.

It is not a de Polignac number, because 48115639 - 2¹ = 48115637 is a prime.

It is a super-2 number, since 2×48115639² = 4630229432756642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48115598 and 48115607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48115631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3142 + ... + 10300.

It is an arithmetic number, because the mean of its divisors is an integer number (3608640).

Almost surely, 2^48115639 is an apocalyptic number.

48115639 is a deficient number, since it is larger than the sum of its proper divisors (9622601).

48115639 is a wasteful number, since it uses less digits than its factorization.

48115639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7230.

The product of its digits is 25920, while the sum is 37.

The square root of 48115639 is about 6936.5437358961. The cubic root of 48115639 is about 363.7157317457.

The spelling of 48115639 in words is "forty-eight million, one hundred fifteen thousand, six hundred thirty-nine".