48956721 has 12 divisors (see below), whose sum is σ = 71749776. Its totient is φ = 29670520.

The previous prime is 48956717. The next prime is 48956723. The reversal of 48956721 is 12765984.

It is not a de Polignac number, because 48956721 - 2² = 48956717 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48956723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67071 + ... + 67796.

It is an arithmetic number, because the mean of its divisors is an integer number (5979148).

Almost surely, 2^48956721 is an apocalyptic number.

It is an amenable number.

48956721 is a deficient number, since it is larger than the sum of its proper divisors (22793055).

48956721 is a wasteful number, since it uses less digits than its factorization.

48956721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134892 (or 134881 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 48956721 is about 6996.9079599492. The cubic root of 48956721 is about 365.8228038312.

The spelling of 48956721 in words is "forty-eight million, nine hundred fifty-six thousand, seven hundred twenty-one".