56454321 has 24 divisors (see below), whose sum is σ = 95524704. Its totient is φ = 29326080.

The previous prime is 56454289. The next prime is 56454323. The reversal of 56454321 is 12345465.

It is not a de Polignac number, because 56454321 - 2⁵ = 56454289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56454323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15840 + ... + 19073.

It is an arithmetic number, because the mean of its divisors is an integer number (3980196).

Almost surely, 2^56454321 is an apocalyptic number.

It is an amenable number.

56454321 is a deficient number, since it is larger than the sum of its proper divisors (39070383).

56454321 is a wasteful number, since it uses less digits than its factorization.

56454321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34941 (or 34934 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 56454321 is about 7513.6090529119. The cubic root of 56454321 is about 383.6180759415.

Adding to 56454321 its reverse (12345465), we get a palindrome (68799786).

The spelling of 56454321 in words is "fifty-six million, four hundred fifty-four thousand, three hundred twenty-one".