55464020 has 12 divisors (see below), whose sum is σ = 116474484. Its totient is φ = 22185600.

The previous prime is 55464001. The next prime is 55464091. The reversal of 55464020 is 2046455.

It can be written as a sum of positive squares in 2 ways, for example, as 17960644 + 37503376 = 4238^2 + 6124^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386581 + ... + 1386620.

It is an arithmetic number, because the mean of its divisors is an integer number (9706207).

Almost surely, 2^55464020 is an apocalyptic number.

It is an amenable number.

55464020 is an abundant number, since it is smaller than the sum of its proper divisors (61010464).

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

55464020 is a wasteful number, since it uses less digits than its factorization.

55464020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773210 (or 2773208 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 55464020 is about 7447.4170018873. The cubic root of 55464020 is about 381.3617348753.

The spelling of 55464020 in words is "fifty-five million, four hundred sixty-four thousand, twenty".