55462321 has 8 divisors (see below), whose sum is σ = 56126304. Its totient is φ = 54801600.

The previous prime is 55462283. The next prime is 55462331. The reversal of 55462321 is 12326455.

55462321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55462321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55462321.

It is not an unprimeable number, because it can be changed into a prime (55462331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52246 + ... + 53296.

It is an arithmetic number, because the mean of its divisors is an integer number (7015788).

Almost surely, 2^55462321 is an apocalyptic number.

It is an amenable number.

55462321 is a deficient number, since it is larger than the sum of its proper divisors (663983).

55462321 is a wasteful number, since it uses less digits than its factorization.

55462321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631.

The product of its digits is 7200, while the sum is 28.

The square root of 55462321 is about 7447.3029346200. The cubic root of 55462321 is about 381.3578408181.

Adding to 55462321 its reverse (12326455), we get a palindrome (67788776).

The spelling of 55462321 in words is "fifty-five million, four hundred sixty-two thousand, three hundred twenty-one".