54207517772 has 24 divisors (see below), whose sum is σ = 100453620960. Its totient is φ = 25506809600.

The previous prime is 54207517751. The next prime is 54207517781. The reversal of 54207517772 is 27771570245.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736754 + ... + 806982.

It is an arithmetic number, because the mean of its divisors is an integer number (4185567540).

Almost surely, 2^54207517772 is an apocalyptic number.

It is an amenable number.

54207517772 is a deficient number, since it is larger than the sum of its proper divisors (46246103188).

54207517772 is a wasteful number, since it uses less digits than its factorization.

54207517772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81601 (or 81599 counting only the distinct ones).

The product of its (nonzero) digits is 960400, while the sum is 47.

The spelling of 54207517772 in words is "fifty-four billion, two hundred seven million, five hundred seventeen thousand, seven hundred seventy-two".