55422463 has 4 divisors (see below), whose sum is σ = 55437408. Its totient is φ = 55407520.

The previous prime is 55422443. The next prime is 55422491. The reversal of 55422463 is 36422455.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55422463 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55422443) 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, 2778 + ... + 10888.

It is an arithmetic number, because the mean of its divisors is an integer number (13859352).

Almost surely, 2^55422463 is an apocalyptic number.

55422463 is a deficient number, since it is larger than the sum of its proper divisors (14945).

55422463 is an equidigital number, since it uses as much as digits as its factorization.

55422463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14944.

The product of its digits is 28800, while the sum is 31.

The square root of 55422463 is about 7444.6264513406. The cubic root of 55422463 is about 381.2664646477.

The spelling of 55422463 in words is "fifty-five million, four hundred twenty-two thousand, four hundred sixty-three".