48156921 has 24 divisors (see below), whose sum is σ = 71604000. Its totient is φ = 31175232.

The previous prime is 48156881. The next prime is 48156931. The reversal of 48156921 is 12965184.

It is not a de Polignac number, because 48156921 - 2⁷ = 48156793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48156931) 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, 46750 + ... + 47768.

It is an arithmetic number, because the mean of its divisors is an integer number (2983500).

Almost surely, 2^48156921 is an apocalyptic number.

It is an amenable number.

48156921 is a deficient number, since it is larger than the sum of its proper divisors (23447079).

48156921 is a wasteful number, since it uses less digits than its factorization.

48156921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173 (or 1170 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 48156921 is about 6939.5187873512. The cubic root of 48156921 is about 363.8197216408.

The spelling of 48156921 in words is "forty-eight million, one hundred fifty-six thousand, nine hundred twenty-one".