54712859391 has 24 divisors (see below), whose sum is σ = 80112155760. Its totient is φ = 35977070976.

The previous prime is 54712859329. The next prime is 54712859393. The reversal of 54712859391 is 19395821745.

It is a happy number.

54712859391 is a `hidden beast` number, since 5 + 47 + 1 + 2 + 8 + 593 + 9 + 1 = 666.

It is not a de Polignac number, because 54712859391 - 2²² = 54708665087 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54712859393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401545 + ... + 520253.

It is an arithmetic number, because the mean of its divisors is an integer number (3338006490).

Almost surely, 2^54712859391 is an apocalyptic number.

54712859391 is a deficient number, since it is larger than the sum of its proper divisors (25399296369).

54712859391 is a wasteful number, since it uses less digits than its factorization.

54712859391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119415 (or 119412 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The spelling of 54712859391 in words is "fifty-four billion, seven hundred twelve million, eight hundred fifty-nine thousand, three hundred ninety-one".