48157209 has 24 divisors (see below), whose sum is σ = 74142432. Its totient is φ = 30015360.

The previous prime is 48157199. The next prime is 48157211. The reversal of 48157209 is 90275184.

48157209 is a `hidden beast` number, since 4 + 81 + 572 + 0 + 9 = 666.

It is not a de Polignac number, because 48157209 - 2⁵ = 48157177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48157259) 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, 23974 + ... + 25904.

It is an arithmetic number, because the mean of its divisors is an integer number (3089268).

Almost surely, 2^48157209 is an apocalyptic number.

It is an amenable number.

48157209 is a deficient number, since it is larger than the sum of its proper divisors (25985223).

48157209 is a wasteful number, since it uses less digits than its factorization.

48157209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117 (or 2114 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 48157209 is about 6939.5395380385. The cubic root of 48157209 is about 363.8204469077.

The spelling of 48157209 in words is "forty-eight million, one hundred fifty-seven thousand, two hundred nine".