54021565320527 has 4 divisors (see below), whose sum is σ = 61738931794896. Its totient is φ = 46304198846160.

The previous prime is 54021565320431. The next prime is 54021565320529. The reversal of 54021565320527 is 72502356512045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54021565320527 - 2³⁴ = 54004385451343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54021565320529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3858683237174 + ... + 3858683237187.

It is an arithmetic number, because the mean of its divisors is an integer number (15434732948724).

Almost surely, 2^{54021565320527} is an apocalyptic number.

54021565320527 is a deficient number, since it is larger than the sum of its proper divisors (7717366474369).

54021565320527 is an equidigital number, since it uses as much as digits as its factorization.

54021565320527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7717366474368.

The product of its (nonzero) digits is 2520000, while the sum is 47.

The spelling of 54021565320527 in words is "fifty-four trillion, twenty-one billion, five hundred sixty-five million, three hundred twenty thousand, five hundred twenty-seven".