54251545045555 has 32 divisors (see below), whose sum is σ = 76487244761088. Its totient is φ = 36418737801600.

The previous prime is 54251545045531. The next prime is 54251545045561. The reversal of 54251545045555 is 55554054515245.

It is not a de Polignac number, because 54251545045555 - 2³¹ = 54249397561907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54251545045496 and 54251545045505.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11973322 + ... + 15870208.

It is an arithmetic number, because the mean of its divisors is an integer number (2390226398784).

Almost surely, 2^{54251545045555} is an apocalyptic number.

54251545045555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54251545045555 is a deficient number, since it is larger than the sum of its proper divisors (22235699715533).

54251545045555 is a wasteful number, since it uses less digits than its factorization.

54251545045555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916387.

The product of its (nonzero) digits is 50000000, while the sum is 55.

The spelling of 54251545045555 in words is "fifty-four trillion, two hundred fifty-one billion, five hundred forty-five million, forty-five thousand, five hundred fifty-five".