54920810515 has 8 divisors (see below), whose sum is σ = 65986241328. Its totient is φ = 43882469280.

The previous prime is 54920810513. The next prime is 54920810533. The reversal of 54920810515 is 51501802945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54920810515 - 2¹ = 54920810513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54920810513) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6767932 + ... + 6776041.

It is an arithmetic number, because the mean of its divisors is an integer number (8248280166).

Almost surely, 2^54920810515 is an apocalyptic number.

54920810515 is a deficient number, since it is larger than the sum of its proper divisors (11065430813).

54920810515 is a wasteful number, since it uses less digits than its factorization.

54920810515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13544789.

The product of its (nonzero) digits is 72000, while the sum is 40.

The spelling of 54920810515 in words is "fifty-four billion, nine hundred twenty million, eight hundred ten thousand, five hundred fifteen".