55323401 has 24 divisors (see below), whose sum is σ = 66495744. Its totient is φ = 45874080.

The previous prime is 55323319. The next prime is 55323431. The reversal of 55323401 is 10432355.

It is not a de Polignac number, because 55323401 - 2¹⁴ = 55307017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55323431) 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 23 ways as a sum of consecutive naturals, for example, 247976 + ... + 248198.

It is an arithmetic number, because the mean of its divisors is an integer number (2770656).

Almost surely, 2^55323401 is an apocalyptic number.

It is an amenable number.

55323401 is a deficient number, since it is larger than the sum of its proper divisors (11172343).

55323401 is a wasteful number, since it uses less digits than its factorization.

55323401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 55323401 is about 7437.9702204298. The cubic root of 55323401 is about 381.0391708658.

Adding to 55323401 its reverse (10432355), we get a palindrome (65755756).

The spelling of 55323401 in words is "fifty-five million, three hundred twenty-three thousand, four hundred one".