55964963 has 4 divisors (see below), whose sum is σ = 56405760. Its totient is φ = 55524168.

The previous prime is 55964941. The next prime is 55964971. The reversal of 55964963 is 36946955.

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

It is a cyclic number.

It is not a de Polignac number, because 55964963 - 2¹² = 55960867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55964933) 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, 220208 + ... + 220461.

It is an arithmetic number, because the mean of its divisors is an integer number (14101440).

Almost surely, 2^55964963 is an apocalyptic number.

55964963 is a deficient number, since it is larger than the sum of its proper divisors (440797).

55964963 is a wasteful number, since it uses less digits than its factorization.

55964963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440796.

The product of its digits is 874800, while the sum is 47.

The square root of 55964963 is about 7480.9733992309. The cubic root of 55964963 is about 382.5064301822.

The spelling of 55964963 in words is "fifty-five million, nine hundred sixty-four thousand, nine hundred sixty-three".