55622256423 has 4 divisors (see below), whose sum is σ = 74163008568. Its totient is φ = 37081504280.

The previous prime is 55622256419. The next prime is 55622256427. The reversal of 55622256423 is 32465222655.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (55622256419) and next prime (55622256427).

It is a cyclic number.

It is not a de Polignac number, because 55622256423 - 2² = 55622256419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55622256427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9270376068 + ... + 9270376073.

It is an arithmetic number, because the mean of its divisors is an integer number (18540752142).

Almost surely, 2^55622256423 is an apocalyptic number.

55622256423 is a deficient number, since it is larger than the sum of its proper divisors (18540752145).

55622256423 is a wasteful number, since it uses less digits than its factorization.

55622256423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18540752144.

The product of its digits is 864000, while the sum is 42.

The spelling of 55622256423 in words is "fifty-five billion, six hundred twenty-two million, two hundred fifty-six thousand, four hundred twenty-three".