55975570 has 16 divisors (see below), whose sum is σ = 115149888. Its totient is φ = 19191600.

The previous prime is 55975559. The next prime is 55975603. The reversal of 55975570 is 7557955.

55975570 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 7 ways as a sum of consecutive naturals, for example, 399756 + ... + 399895.

It is an arithmetic number, because the mean of its divisors is an integer number (7196868).

Almost surely, 2^55975570 is an apocalyptic number.

55975570 is an abundant number, since it is smaller than the sum of its proper divisors (59174318).

55975570 is a wasteful number, since it uses less digits than its factorization.

55975570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799665.

The product of its (nonzero) digits is 275625, while the sum is 43.

The square root of 55975570 is about 7481.6822974516. The cubic root of 55975570 is about 382.5305940471.

The spelling of 55975570 in words is "fifty-five million, nine hundred seventy-five thousand, five hundred seventy".