54845762621 has 8 divisors (see below), whose sum is σ = 59455826304. Its totient is φ = 50291578800.

The previous prime is 54845762599. The next prime is 54845762669. The reversal of 54845762621 is 12626754845.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54845762621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54845762621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54845765621) 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, 13967921 + ... + 13971846.

It is an arithmetic number, because the mean of its divisors is an integer number (7431978288).

Almost surely, 2^54845762621 is an apocalyptic number.

It is an amenable number.

54845762621 is a deficient number, since it is larger than the sum of its proper divisors (4610063683).

54845762621 is a wasteful number, since it uses less digits than its factorization.

54845762621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27939931.

The product of its digits is 3225600, while the sum is 50.

The spelling of 54845762621 in words is "fifty-four billion, eight hundred forty-five million, seven hundred sixty-two thousand, six hundred twenty-one".