55646063 has 4 divisors (see below), whose sum is σ = 60704808. Its totient is φ = 50587320.

The previous prime is 55646057. The next prime is 55646069. The reversal of 55646063 is 36064655.

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 (55646057) and next prime (55646069).

It is a cyclic number.

It is not a de Polignac number, because 55646063 - 2¹² = 55641967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55646069) 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, 2529356 + ... + 2529377.

It is an arithmetic number, because the mean of its divisors is an integer number (15176202).

Almost surely, 2^55646063 is an apocalyptic number.

55646063 is a deficient number, since it is larger than the sum of its proper divisors (5058745).

55646063 is a wasteful number, since it uses less digits than its factorization.

55646063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058744.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 55646063 is about 7459.6288781681. The cubic root of 55646063 is about 381.7785120831.

The spelling of 55646063 in words is "fifty-five million, six hundred forty-six thousand, sixty-three".