48615644 has 36 divisors (see below), whose sum is σ = 107969400. Its totient is φ = 18940320.

The previous prime is 48615607. The next prime is 48615647. The reversal of 48615644 is 44651684.

It is a junction number, because it is equal to n+sod(n) for n = 48615598 and 48615607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48615647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9119 + ... + 13430.

It is an arithmetic number, because the mean of its divisors is an integer number (2999150).

Almost surely, 2^48615644 is an apocalyptic number.

48615644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

48615644 is an abundant number, since it is smaller than the sum of its proper divisors (59353756).

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

48615644 is a wasteful number, since it uses less digits than its factorization.

48615644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22578 (or 22569 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 48615644 is about 6972.4919505153. The cubic root of 48615644 is about 364.9712718992.

The spelling of 48615644 in words is "forty-eight million, six hundred fifteen thousand, six hundred forty-four".