54021533512045 has 32 divisors (see below), whose sum is σ = 71305371895680. Its totient is φ = 39287386230400.

The previous prime is 54021533511997. The next prime is 54021533512049.

54021533512045 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54021533512045 - 2²⁵ = 54021499957613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54021533511989 and 54021533512007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54021533512049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349782801 + ... + 349937209.

It is an arithmetic number, because the mean of its divisors is an integer number (2228292871740).

Almost surely, 2^{54021533512045} is an apocalyptic number.

54021533512045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54021533512045 is a deficient number, since it is larger than the sum of its proper divisors (17283838383635).

54021533512045 is a wasteful number, since it uses less digits than its factorization.

54021533512045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207018 (or 206996 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

It can be divided in two parts, 5402153 and 3512045, that added together give a palindrome (8914198).

The spelling of 54021533512045 in words is "fifty-four trillion, twenty-one billion, five hundred thirty-three million, five hundred twelve thousand, forty-five".