48977289 has 12 divisors (see below), whose sum is σ = 74906676. Its totient is φ = 30730752.

The previous prime is 48977273. The next prime is 48977309. The reversal of 48977289 is 98277984.

It can be written as a sum of positive squares in 2 ways, for example, as 24800400 + 24176889 = 4980^2 + 4917^2 .

It is not a de Polignac number, because 48977289 - 2⁴ = 48977273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48977219) 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, 159904 + ... + 160209.

It is an arithmetic number, because the mean of its divisors is an integer number (6242223).

Almost surely, 2^48977289 is an apocalyptic number.

It is an amenable number.

48977289 is a deficient number, since it is larger than the sum of its proper divisors (25929387).

48977289 is a wasteful number, since it uses less digits than its factorization.

48977289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320136 (or 320133 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 48977289 is about 6998.3775977008. The cubic root of 48977289 is about 365.8740272370.

The spelling of 48977289 in words is "forty-eight million, nine hundred seventy-seven thousand, two hundred eighty-nine".