54355453512015 has 64 divisors (see below), whose sum is σ = 89538940108800. Its totient is φ = 28147029531264.

The previous prime is 54355453512011. The next prime is 54355453512029. The reversal of 54355453512015 is 51021535455345.

It is not a de Polignac number, because 54355453512015 - 2² = 54355453512011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54355453512011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23979756 + ... + 26148414.

It is an arithmetic number, because the mean of its divisors is an integer number (1399045939200).

Almost surely, 2^{54355453512015} is an apocalyptic number.

54355453512015 is a deficient number, since it is larger than the sum of its proper divisors (35183486596785).

54355453512015 is a wasteful number, since it uses less digits than its factorization.

54355453512015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169076.

The product of its (nonzero) digits is 4500000, while the sum is 48.

The spelling of 54355453512015 in words is "fifty-four trillion, three hundred fifty-five billion, four hundred fifty-three million, five hundred twelve thousand, fifteen".