54620026521 has 8 divisors (see below), whose sum is σ = 74794991424. Its totient is φ = 35429206320.

The previous prime is 54620026511. The next prime is 54620026537. The reversal of 54620026521 is 12562002645.

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

It is not a de Polignac number, because 54620026521 - 2¹⁹ = 54619502233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54620026511) 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, 246036045 + ... + 246036266.

It is an arithmetic number, because the mean of its divisors is an integer number (9349373928).

Almost surely, 2^54620026521 is an apocalyptic number.

It is an amenable number.

54620026521 is a deficient number, since it is larger than the sum of its proper divisors (20174964903).

54620026521 is a wasteful number, since it uses less digits than its factorization.

54620026521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492072351.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 54620026521 in words is "fifty-four billion, six hundred twenty million, twenty-six thousand, five hundred twenty-one".