54521355532531 has 16 divisors (see below), whose sum is σ = 54828064497888. Its totient is φ = 54215529984000.

The previous prime is 54521355532507. The next prime is 54521355532547. The reversal of 54521355532531 is 13523555312545.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54521355532531 - 2¹¹ = 54521355530483 is a prime.

It is a super-2 number, since 2×54521355532531² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54521355532591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2040991231 + ... + 2041017943.

It is an arithmetic number, because the mean of its divisors is an integer number (3426754031118).

Almost surely, 2^{54521355532531} is an apocalyptic number.

54521355532531 is a deficient number, since it is larger than the sum of its proper divisors (306708965357).

54521355532531 is a wasteful number, since it uses less digits than its factorization.

54521355532531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42822.

The product of its digits is 6750000, while the sum is 49.

The spelling of 54521355532531 in words is "fifty-four trillion, five hundred twenty-one billion, three hundred fifty-five million, five hundred thirty-two thousand, five hundred thirty-one".