54001026521 has 8 divisors (see below), whose sum is σ = 58210938240. Its totient is φ = 49799112912.

The previous prime is 54001026503. The next prime is 54001026551. The reversal of 54001026521 is 12562010045.

54001026521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-54001026521 is a prime.

It is a super-2 number, since 2×54001026521² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54001026551) 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, 1985495 + ... + 2012508.

It is an arithmetic number, because the mean of its divisors is an integer number (7276367280).

Almost surely, 2^54001026521 is an apocalyptic number.

It is an amenable number.

54001026521 is a deficient number, since it is larger than the sum of its proper divisors (4209911719).

54001026521 is a wasteful number, since it uses less digits than its factorization.

54001026521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999055.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 54001026521 its reverse (12562010045), we get a palindrome (66563036566).

The spelling of 54001026521 in words is "fifty-four billion, one million, twenty-six thousand, five hundred twenty-one".