55349570 has 32 divisors (see below), whose sum is σ = 104564736. Its totient is φ = 21067200.

The previous prime is 55349551. The next prime is 55349573. The reversal of 55349570 is 7594355.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

Together with 49215166 it forms an amicable pair .

It is not an unprimeable number, because it can be changed into a prime (55349573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17447 + ... + 20373.

It is an arithmetic number, because the mean of its divisors is an integer number (3267648).

Almost surely, 2^55349570 is an apocalyptic number.

55349570 is a deficient number, since it is larger than the sum of its proper divisors (49215166).

55349570 is a wasteful number, since it uses less digits than its factorization.

55349570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 55349570 is about 7439.7291617370. The cubic root of 55349570 is about 381.0992409391.

The spelling of 55349570 in words is "fifty-five million, three hundred forty-nine thousand, five hundred seventy".