55233401 has 4 divisors (see below), whose sum is σ = 55330704. Its totient is φ = 55136100.

The previous prime is 55233379. The next prime is 55233407. The reversal of 55233401 is 10433255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55233401 - 2¹⁰ = 55232377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55233407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47795 + ... + 48936.

It is an arithmetic number, because the mean of its divisors is an integer number (13832676).

Almost surely, 2^55233401 is an apocalyptic number.

It is an amenable number.

55233401 is a deficient number, since it is larger than the sum of its proper divisors (97303).

55233401 is an equidigital number, since it uses as much as digits as its factorization.

55233401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97302.

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

The square root of 55233401 is about 7431.9177202119. The cubic root of 55233401 is about 380.8324341276.

Adding to 55233401 its reverse (10433255), we get a palindrome (65666656).

The spelling of 55233401 in words is "fifty-five million, two hundred thirty-three thousand, four hundred one".