54597321 has 15 divisors (see below), whose sum is σ = 81658423. Its totient is φ = 36353880.

The previous prime is 54597299. The next prime is 54597329. The reversal of 54597321 is 12379545.

The square root of 54597321 is 7389.

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

54597321 is a `hidden beast` number, since 545 + 97 + 3 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14907321 + 39690000 = 3861^2 + 6300^2 .

It is not a de Polignac number, because 54597321 - 2⁵ = 54597289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54597329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 66091 + ... + 66911.

Almost surely, 2^54597321 is an apocalyptic number.

54597321 is the 7389-th square number.

54597321 is the 3695-th centered octagonal number.

It is an amenable number.

54597321 is a deficient number, since it is larger than the sum of its proper divisors (27061102).

54597321 is an frugal number, since it uses more digits than its factorization.

54597321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654 (or 824 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The cubic root of 54597321 is about 379.3648693225.

Multiplying 54597321 by its sum of digits (36), we get a square (1965503556 = 44334²).

The spelling of 54597321 in words is "fifty-four million, five hundred ninety-seven thousand, three hundred twenty-one".