55425644 has 24 divisors (see below), whose sum is σ = 106017408. Its totient is φ = 25240320.

The previous prime is 55425611. The next prime is 55425647. The reversal of 55425644 is 44652455.

It is not an unprimeable number, because it can be changed into a prime (55425647) 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, 11039 + ... + 15254.

It is an arithmetic number, because the mean of its divisors is an integer number (4417392).

Almost surely, 2^55425644 is an apocalyptic number.

It is an amenable number.

55425644 is a deficient number, since it is larger than the sum of its proper divisors (50591764).

55425644 is a wasteful number, since it uses less digits than its factorization.

55425644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26345 (or 26343 counting only the distinct ones).

The product of its digits is 96000, while the sum is 35.

The square root of 55425644 is about 7444.8400923055. The cubic root of 55425644 is about 381.2737588347.

The spelling of 55425644 in words is "fifty-five million, four hundred twenty-five thousand, six hundred forty-four".