54520661580851 has 8 divisors (see below), whose sum is σ = 55724020822800. Its totient is φ = 53327288723040.

The previous prime is 54520661580823. The next prime is 54520661580871. The reversal of 54520661580851 is 15808516602545.

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

It is a cyclic number.

It is not a de Polignac number, because 54520661580851 - 2³⁴ = 54503481711667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54520661580821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2496584996 + ... + 2496606833.

It is an arithmetic number, because the mean of its divisors is an integer number (6965502602850).

Almost surely, 2^{54520661580851} is an apocalyptic number.

54520661580851 is a deficient number, since it is larger than the sum of its proper divisors (1203359241949).

54520661580851 is a wasteful number, since it uses less digits than its factorization.

54520661580851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993192069.

The product of its (nonzero) digits is 11520000, while the sum is 56.

The spelling of 54520661580851 in words is "fifty-four trillion, five hundred twenty billion, six hundred sixty-one million, five hundred eighty thousand, eight hundred fifty-one".