55404326 has 32 divisors (see below), whose sum is σ = 92262240. Its totient is φ = 24833536.

The previous prime is 55404319. The next prime is 55404331. The reversal of 55404326 is 62340455.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81500 + ... + 82176.

It is an arithmetic number, because the mean of its divisors is an integer number (2883195).

Almost surely, 2^55404326 is an apocalyptic number.

55404326 is a deficient number, since it is larger than the sum of its proper divisors (36857914).

55404326 is a wasteful number, since it uses less digits than its factorization.

55404326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 55404326 is about 7443.4082247315. The cubic root of 55404326 is about 381.2248702956.

The spelling of 55404326 in words is "fifty-five million, four hundred four thousand, three hundred twenty-six".