54655644 has 12 divisors (see below), whose sum is σ = 127529864. Its totient is φ = 18218544.

The previous prime is 54655639. The next prime is 54655661. The reversal of 54655644 is 44655645.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2277307 + ... + 2277330.

Almost surely, 2^54655644 is an apocalyptic number.

It is an amenable number.

54655644 is an abundant number, since it is smaller than the sum of its proper divisors (72874220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54655644 is a wasteful number, since it uses less digits than its factorization.

54655644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554644 (or 4554642 counting only the distinct ones).

The product of its digits is 288000, while the sum is 39.

The square root of 54655644 is about 7392.9455564071. The cubic root of 54655644 is about 379.4999053952.

Subtracting from 54655644 its reverse (44655645), we obtain a palindrome (9999999).

The spelling of 54655644 in words is "fifty-four million, six hundred fifty-five thousand, six hundred forty-four".