54356853393 has 12 divisors (see below), whose sum is σ = 78554524048. Its totient is φ = 36219870360.

The previous prime is 54356853391. The next prime is 54356853427. The reversal of 54356853393 is 39335865345.

54356853393 is a `hidden beast` number, since 5 + 43 + 5 + 68 + 533 + 9 + 3 = 666.

It is not a de Polignac number, because 54356853393 - 2¹ = 54356853391 is a prime.

It is a super-2 number, since 2×54356853393² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54356853391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1483555 + ... + 1519752.

Almost surely, 2^54356853393 is an apocalyptic number.

It is an amenable number.

54356853393 is a deficient number, since it is larger than the sum of its proper divisors (24197670655).

54356853393 is a wasteful number, since it uses less digits than its factorization.

54356853393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005324 (or 3005321 counting only the distinct ones).

The product of its digits is 17496000, while the sum is 54.

The spelling of 54356853393 in words is "fifty-four billion, three hundred fifty-six million, eight hundred fifty-three thousand, three hundred ninety-three".