48135987 has 24 divisors (see below), whose sum is σ = 76377600. Its totient is φ = 29077488.

The previous prime is 48135973. The next prime is 48135991. The reversal of 48135987 is 78953184.

48135987 is a `hidden beast` number, since 48 + 13 + 598 + 7 = 666.

It is not a de Polignac number, because 48135987 - 2⁷ = 48135859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48135907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2187 + ... + 10052.

It is an arithmetic number, because the mean of its divisors is an integer number (3182400).

Almost surely, 2^48135987 is an apocalyptic number.

48135987 is a deficient number, since it is larger than the sum of its proper divisors (28241613).

48135987 is a wasteful number, since it uses less digits than its factorization.

48135987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12287 (or 12284 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 48135987 is about 6938.0103055559. The cubic root of 48135987 is about 363.7669960528.

The spelling of 48135987 in words is "forty-eight million, one hundred thirty-five thousand, nine hundred eighty-seven".