55321401 has 8 divisors (see below), whose sum is σ = 75755584. Its totient is φ = 35884080.

The previous prime is 55321367. The next prime is 55321429. The reversal of 55321401 is 10412355.

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

It is not a de Polignac number, because 55321401 - 2¹⁷ = 55190329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55321501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249085 + ... + 249306.

It is an arithmetic number, because the mean of its divisors is an integer number (9469448).

Almost surely, 2^55321401 is an apocalyptic number.

It is an amenable number.

55321401 is a deficient number, since it is larger than the sum of its proper divisors (20434183).

55321401 is a wasteful number, since it uses less digits than its factorization.

55321401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498431.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 55321401 is about 7437.8357739332. The cubic root of 55321401 is about 381.0345791529.

Adding to 55321401 its reverse (10412355), we get a palindrome (65733756).

The spelling of 55321401 in words is "fifty-five million, three hundred twenty-one thousand, four hundred one".