55964463 has 4 divisors (see below), whose sum is σ = 74619288. Its totient is φ = 37309640.

The previous prime is 55964453. The next prime is 55964471. The reversal of 55964463 is 36446955.

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 55964463 - 2⁵ = 55964431 is a prime.

It is a super-2 number, since 2×55964463² = 6264042237756738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55964413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9327408 + ... + 9327413.

It is an arithmetic number, because the mean of its divisors is an integer number (18654822).

Almost surely, 2^55964463 is an apocalyptic number.

55964463 is a deficient number, since it is larger than the sum of its proper divisors (18654825).

55964463 is a wasteful number, since it uses less digits than its factorization.

55964463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18654824.

The product of its digits is 388800, while the sum is 42.

The square root of 55964463 is about 7480.9399810452. The cubic root of 55964463 is about 382.5052910542.

The spelling of 55964463 in words is "fifty-five million, nine hundred sixty-four thousand, four hundred sixty-three".