54511521364 has 12 divisors (see below), whose sum is σ = 95720745204. Its totient is φ = 27162737024.

The previous prime is 54511521353. The next prime is 54511521367. The reversal of 54511521364 is 46312511545.

It can be written as a sum of positive squares in 2 ways, for example, as 36477180100 + 18034341264 = 190990^2 + 134292^2 .

It is a super-2 number, since 2×54511521364² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54511521367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23254597 + ... + 23256940.

It is an arithmetic number, because the mean of its divisors is an integer number (7976728767).

Almost surely, 2^54511521364 is an apocalyptic number.

It is an amenable number.

54511521364 is a deficient number, since it is larger than the sum of its proper divisors (41209223840).

54511521364 is a wasteful number, since it uses less digits than its factorization.

54511521364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46511834 (or 46511832 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The spelling of 54511521364 in words is "fifty-four billion, five hundred eleven million, five hundred twenty-one thousand, three hundred sixty-four".