54690967321 has 3 divisors (see below), whose sum is σ = 54691201183. Its totient is φ = 54690733460.

The previous prime is 54690967277. The next prime is 54690967333. The reversal of 54690967321 is 12376909645.

It is a happy number.

The square root of 54690967321 is 233861.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 52377357321 + 2313610000 = 228861^2 + 48100^2 .

It is not a de Polignac number, because 54690967321 - 2⁹ = 54690966809 is a prime.

It is a super-2 number, since 2×54690967321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54690967351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 116931 + ... + 350791.

Almost surely, 2^54690967321 is an apocalyptic number.

54690967321 is the 233861-st square number.

54690967321 is the 116931-st centered octagonal number.

It is an amenable number.

54690967321 is a deficient number, since it is larger than the sum of its proper divisors (233862).

54690967321 is an frugal number, since it uses more digits than its factorization.

54690967321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467722 (or 233861 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 54690967321 in words is "fifty-four billion, six hundred ninety million, nine hundred sixty-seven thousand, three hundred twenty-one".