54786056545 has 32 divisors (see below), whose sum is σ = 72192384000. Its totient is φ = 39582386880.

The previous prime is 54786056531. The next prime is 54786056653. The reversal of 54786056545 is 54565068745.

It is not a de Polignac number, because 54786056545 - 2⁹ = 54786056033 is a prime.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12983446 + ... + 12987664.

It is an arithmetic number, because the mean of its divisors is an integer number (2256012000).

Almost surely, 2^54786056545 is an apocalyptic number.

54786056545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54786056545 is a deficient number, since it is larger than the sum of its proper divisors (17406327455).

54786056545 is a wasteful number, since it uses less digits than its factorization.

54786056545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5733.

The product of its (nonzero) digits is 20160000, while the sum is 55.

The spelling of 54786056545 in words is "fifty-four billion, seven hundred eighty-six million, fifty-six thousand, five hundred forty-five".