54655191815 has 16 divisors (see below), whose sum is σ = 74962094592. Its totient is φ = 37474644384.

The previous prime is 54655191803. The next prime is 54655191827. The reversal of 54655191815 is 51819155645.

It is an interprime number because it is at equal distance from previous prime (54655191803) and next prime (54655191827).

It is a cyclic number.

It is not a de Polignac number, because 54655191815 - 2⁶ = 54655191751 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393632 + ... + 514058.

It is an arithmetic number, because the mean of its divisors is an integer number (4685130912).

Almost surely, 2^54655191815 is an apocalyptic number.

54655191815 is a deficient number, since it is larger than the sum of its proper divisors (20306902777).

54655191815 is a wasteful number, since it uses less digits than its factorization.

54655191815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133406.

The product of its digits is 1080000, while the sum is 50.

The spelling of 54655191815 in words is "fifty-four billion, six hundred fifty-five million, one hundred ninety-one thousand, eight hundred fifteen".