48272923521 has 9 divisors (see below), whose sum is σ = 69728508291. Its totient is φ = 32181509592.

The previous prime is 48272923519. The next prime is 48272923541. The reversal of 48272923521 is 12532927284.

The square root of 48272923521 is 219711.

It is a perfect power (a square), and thus also a powerful number.

48272923521 is a `hidden beast` number, since 4 + 8 + 2 + 7 + 292 + 352 + 1 = 666.

48272923521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 23193767025 + 25079156496 = 152295^2 + 158364^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 48272923521 - 2¹ = 48272923519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48272923541) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 622515 + ... + 695751.

Almost surely, 2^48272923521 is an apocalyptic number.

48272923521 is the 219711-st square number.

48272923521 is the 109856-th centered octagonal number.

It is an amenable number.

48272923521 is a deficient number, since it is larger than the sum of its proper divisors (21455584770).

48272923521 is an frugal number, since it uses more digits than its factorization.

48272923521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146480 (or 73240 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 48272923521 in words is "forty-eight billion, two hundred seventy-two million, nine hundred twenty-three thousand, five hundred twenty-one".