54512014821 has 48 divisors (see below), whose sum is σ = 84757078080. Its totient is φ = 30868857600.

The previous prime is 54512014813. The next prime is 54512014867. The reversal of 54512014821 is 12841021545.

It is not a de Polignac number, because 54512014821 - 2³ = 54512014813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54512014021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 890041 + ... + 949313.

It is an arithmetic number, because the mean of its divisors is an integer number (1765772460).

Almost surely, 2^54512014821 is an apocalyptic number.

It is an amenable number.

54512014821 is a deficient number, since it is larger than the sum of its proper divisors (30245063259).

54512014821 is a wasteful number, since it uses less digits than its factorization.

54512014821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59378 (or 59347 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The spelling of 54512014821 in words is "fifty-four billion, five hundred twelve million, fourteen thousand, eight hundred twenty-one".