55540570 has 8 divisors (see below), whose sum is σ = 99973044. Its totient is φ = 22216224.

The previous prime is 55540567. The next prime is 55540571. The reversal of 55540570 is 7504555.

It can be written as a sum of positive squares in 2 ways, for example, as 48427681 + 7112889 = 6959^2 + 2667^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (55540571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777019 + ... + 2777038.

Almost surely, 2^55540570 is an apocalyptic number.

55540570 is a deficient number, since it is larger than the sum of its proper divisors (44432474).

55540570 is a wasteful number, since it uses less digits than its factorization.

55540570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5554064.

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 55540570 is about 7452.5545955733. The cubic root of 55540570 is about 381.5371027414.

The spelling of 55540570 in words is "fifty-five million, five hundred forty thousand, five hundred seventy".