55402823 has 8 divisors (see below), whose sum is σ = 64356000. Its totient is φ = 46709280.

The previous prime is 55402817. The next prime is 55402871. The reversal of 55402823 is 32820455.

55402823 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 not a de Polignac number, because 55402823 - 2⁴ = 55402807 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55402873) 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, 64448 + ... + 65301.

It is an arithmetic number, because the mean of its divisors is an integer number (8044500).

Almost surely, 2^55402823 is an apocalyptic number.

55402823 is a deficient number, since it is larger than the sum of its proper divisors (8953177).

55402823 is a wasteful number, since it uses less digits than its factorization.

55402823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129817.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 55402823 is about 7443.3072622323. The cubic root of 55402823 is about 381.2214229946.

The spelling of 55402823 in words is "fifty-five million, four hundred two thousand, eight hundred twenty-three".