48855994531 has 4 divisors (see below), whose sum is σ = 48857446872. Its totient is φ = 48854542192.

The previous prime is 48855994511. The next prime is 48855994613. The reversal of 48855994531 is 13549955884.

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

It is a cyclic number.

It is not a de Polignac number, because 48855994531 - 2²³ = 48847605923 is a prime.

It is a super-2 number, since 2×48855994531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48855994531.

It is not an unprimeable number, because it can be changed into a prime (48855994511) 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, 674485 + ... + 743398.

It is an arithmetic number, because the mean of its divisors is an integer number (12214361718).

Almost surely, 2^48855994531 is an apocalyptic number.

48855994531 is a deficient number, since it is larger than the sum of its proper divisors (1452341).

48855994531 is a wasteful number, since it uses less digits than its factorization.

48855994531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452340.

The product of its digits is 31104000, while the sum is 61.

The spelling of 48855994531 in words is "forty-eight billion, eight hundred fifty-five million, nine hundred ninety-four thousand, five hundred thirty-one".