55057210 has 32 divisors (see below), whose sum is σ = 109009152. Its totient is φ = 19894080.

The previous prime is 55057199. The next prime is 55057217. The reversal of 55057210 is 1275055.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55057217) 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, 1605 + ... + 10615.

It is an arithmetic number, because the mean of its divisors is an integer number (3406536).

Almost surely, 2^55057210 is an apocalyptic number.

55057210 is a deficient number, since it is larger than the sum of its proper divisors (53951942).

55057210 is a wasteful number, since it uses less digits than its factorization.

55057210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9078.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 55057210 is about 7420.0545820095. The cubic root of 55057210 is about 380.4270591170.

The spelling of 55057210 in words is "fifty-five million, fifty-seven thousand, two hundred ten".