48852513621 has 6 divisors (see below), whose sum is σ = 70564741910. Its totient is φ = 32568342408.

The previous prime is 48852513587. The next prime is 48852513623. The reversal of 48852513621 is 12631525884.

48852513621 is a `hidden beast` number, since 4 + 8 + 8 + 5 + 2 + 5 + 13 + 621 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48799019025 + 53494596 = 220905^2 + 7314^2 .

It is not a de Polignac number, because 48852513621 - 2⁹ = 48852513109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48852513623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2714028526 + ... + 2714028543.

Almost surely, 2^48852513621 is an apocalyptic number.

It is an amenable number.

48852513621 is a deficient number, since it is larger than the sum of its proper divisors (21712228289).

48852513621 is a wasteful number, since it uses less digits than its factorization.

48852513621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428057075 (or 5428057072 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The spelling of 48852513621 in words is "forty-eight billion, eight hundred fifty-two million, five hundred thirteen thousand, six hundred twenty-one".