54402255373565 has 16 divisors (see below), whose sum is σ = 71217969374016. Its totient is φ = 39565014729600.

The previous prime is 54402255373559. The next prime is 54402255373573. The reversal of 54402255373565 is 56537355220445.

It is not a de Polignac number, because 54402255373565 - 2¹⁶ = 54402255308029 is a prime.

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 54402255373565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5313305 + ... + 11706225.

It is an arithmetic number, because the mean of its divisors is an integer number (4451123085876).

Almost surely, 2^{54402255373565} is an apocalyptic number.

54402255373565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54402255373565 is a deficient number, since it is larger than the sum of its proper divisors (16815714000451).

54402255373565 is a wasteful number, since it uses less digits than its factorization.

54402255373565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6547660.

The product of its (nonzero) digits is 75600000, while the sum is 56.

The spelling of 54402255373565 in words is "fifty-four trillion, four hundred two billion, two hundred fifty-five million, three hundred seventy-three thousand, five hundred sixty-five".