55664614 has 16 divisors (see below), whose sum is σ = 85398768. Its totient is φ = 27205632.

The previous prime is 55664611. The next prime is 55664629. The reversal of 55664614 is 41646655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55664611) 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, 14374 + ... + 17830.

It is an arithmetic number, because the mean of its divisors is an integer number (5337423).

Almost surely, 2^55664614 is an apocalyptic number.

55664614 is a deficient number, since it is larger than the sum of its proper divisors (29734154).

55664614 is a wasteful number, since it uses less digits than its factorization.

55664614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639.

The product of its digits is 86400, while the sum is 37.

The square root of 55664614 is about 7460.8722010231. The cubic root of 55664614 is about 381.8209324924.

The spelling of 55664614 in words is "fifty-five million, six hundred sixty-four thousand, six hundred fourteen".