55964555 has 8 divisors (see below), whose sum is σ = 68424912. Its totient is φ = 43926688.

The previous prime is 55964551. The next prime is 55964563. The reversal of 55964555 is 55546955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55964555 - 2² = 55964551 is a prime.

It is a super-3 number, since 3×55964555³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55964551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105329 + ... + 105858.

It is an arithmetic number, because the mean of its divisors is an integer number (8553114).

Almost surely, 2^55964555 is an apocalyptic number.

55964555 is a deficient number, since it is larger than the sum of its proper divisors (12460357).

55964555 is a wasteful number, since it uses less digits than its factorization.

55964555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211245.

The product of its digits is 675000, while the sum is 44.

The square root of 55964555 is about 7480.9461300025. The cubic root of 55964555 is about 382.5055006542.

The spelling of 55964555 in words is "fifty-five million, nine hundred sixty-four thousand, five hundred fifty-five".