48639825 has 96 divisors (see below), whose sum is σ = 100826880. Its totient is φ = 22809600.

The previous prime is 48639821. The next prime is 48639841. The reversal of 48639825 is 52893684.

48639825 is a `hidden beast` number, since 4 + 8 + 639 + 8 + 2 + 5 = 666.

It is not a de Polignac number, because 48639825 - 2² = 48639821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (48639821) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 201705 + ... + 201945.

It is an arithmetic number, because the mean of its divisors is an integer number (1050280).

Almost surely, 2^48639825 is an apocalyptic number.

48639825 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

48639825 is an abundant number, since it is smaller than the sum of its proper divisors (52187055).

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

48639825 is a wasteful number, since it uses less digits than its factorization.

48639825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 285 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 48639825 is about 6974.2257634808. The cubic root of 48639825 is about 365.0317730519.

The spelling of 48639825 in words is "forty-eight million, six hundred thirty-nine thousand, eight hundred twenty-five".