54438863851 has 8 divisors (see below), whose sum is σ = 55358175600. Its totient is φ = 53520419040.

The previous prime is 54438863839. The next prime is 54438863891. The reversal of 54438863851 is 15836883445.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54438863851 - 2²⁵ = 54405309419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54438863792 and 54438863801.

It is not an unprimeable number, because it can be changed into a prime (54438863891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89461 + ... + 341878.

It is an arithmetic number, because the mean of its divisors is an integer number (6919771950).

Almost surely, 2^54438863851 is an apocalyptic number.

54438863851 is a deficient number, since it is larger than the sum of its proper divisors (919311749).

54438863851 is a wasteful number, since it uses less digits than its factorization.

54438863851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433469.

The product of its digits is 11059200, while the sum is 55.

The spelling of 54438863851 in words is "fifty-four billion, four hundred thirty-eight million, eight hundred sixty-three thousand, eight hundred fifty-one".