55264643 has 16 divisors (see below), whose sum is σ = 65153280. Its totient is φ = 45886176.

The previous prime is 55264631. The next prime is 55264663. The reversal of 55264643 is 34646255.

It is a happy number.

It is not a de Polignac number, because 55264643 - 2²² = 51070339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55264613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97880 + ... + 98442.

It is an arithmetic number, because the mean of its divisors is an integer number (4072080).

Almost surely, 2^55264643 is an apocalyptic number.

55264643 is a deficient number, since it is larger than the sum of its proper divisors (9888637).

55264643 is a wasteful number, since it uses less digits than its factorization.

55264643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986.

The product of its digits is 86400, while the sum is 35.

The square root of 55264643 is about 7434.0193031764. The cubic root of 55264643 is about 380.9042247717.

The spelling of 55264643 in words is "fifty-five million, two hundred sixty-four thousand, six hundred forty-three".