48977221 has 16 divisors (see below), whose sum is σ = 53149824. Its totient is φ = 44964864.

The previous prime is 48977219. The next prime is 48977239. The reversal of 48977221 is 12277984.

It is not a de Polignac number, because 48977221 - 2¹ = 48977219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48977321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145165 + ... + 145501.

It is an arithmetic number, because the mean of its divisors is an integer number (3321864).

Almost surely, 2^48977221 is an apocalyptic number.

It is an amenable number.

48977221 is a deficient number, since it is larger than the sum of its proper divisors (4172603).

48977221 is a wasteful number, since it uses less digits than its factorization.

48977221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540.

The product of its digits is 56448, while the sum is 40.

The square root of 48977221 is about 6998.3727394302. The cubic root of 48977221 is about 365.8738579106.

The spelling of 48977221 in words is "forty-eight million, nine hundred seventy-seven thousand, two hundred twenty-one".