48599991 has 48 divisors (see below), whose sum is σ = 82487808. Its totient is φ = 27244800.

The previous prime is 48599987. The next prime is 48600001. The reversal of 48599991 is 19999584.

48599991 is a `hidden beast` number, since 48 + 599 + 9 + 9 + 1 = 666.

It is not a de Polignac number, because 48599991 - 2² = 48599987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48594991) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112546 + ... + 112976.

It is an arithmetic number, because the mean of its divisors is an integer number (1718496).

Almost surely, 2^48599991 is an apocalyptic number.

48599991 is a deficient number, since it is larger than the sum of its proper divisors (33887817).

48599991 is a wasteful number, since it uses less digits than its factorization.

48599991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 529 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 54.

The square root of 48599991 is about 6971.3693776761. The cubic root of 48599991 is about 364.9320972077.

The spelling of 48599991 in words is "forty-eight million, five hundred ninety-nine thousand, nine hundred ninety-one".