55605970 has 32 divisors (see below), whose sum is σ = 120412800. Its totient is φ = 18061056.

The previous prime is 55605941. The next prime is 55606003. The reversal of 55605970 is 7950655.

55605970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19575 + ... + 22234.

It is an arithmetic number, because the mean of its divisors is an integer number (3762900).

Almost surely, 2^55605970 is an apocalyptic number.

55605970 is an abundant number, since it is smaller than the sum of its proper divisors (64806830).

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

55605970 is a wasteful number, since it uses less digits than its factorization.

55605970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41842.

The product of its (nonzero) digits is 47250, while the sum is 37.

The square root of 55605970 is about 7456.9410618564. The cubic root of 55605970 is about 381.6867995541.

The spelling of 55605970 in words is "fifty-five million, six hundred five thousand, nine hundred seventy".