48155362921 has 4 divisors (see below), whose sum is σ = 48342738132. Its totient is φ = 47967987712.

The previous prime is 48155362907. The next prime is 48155362933. The reversal of 48155362921 is 12926355184.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42658771600 + 5496591321 = 206540^2 + 74139^2 .

It is a cyclic number.

It is not a de Polignac number, because 48155362921 - 2⁷ = 48155362793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48155362961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93687220 + ... + 93687733.

It is an arithmetic number, because the mean of its divisors is an integer number (12085684533).

Almost surely, 2^48155362921 is an apocalyptic number.

It is an amenable number.

48155362921 is a deficient number, since it is larger than the sum of its proper divisors (187375211).

48155362921 is a wasteful number, since it uses less digits than its factorization.

48155362921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187375210.

The product of its digits is 518400, while the sum is 46.

The spelling of 48155362921 in words is "forty-eight billion, one hundred fifty-five million, three hundred sixty-two thousand, nine hundred twenty-one".