55200058 has 4 divisors (see below), whose sum is σ = 82800090. Its totient is φ = 27600028.

The previous prime is 55200053. The next prime is 55200077. The reversal of 55200058 is 85000255.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54272689 + 927369 = 7367^2 + 963^2 .

It is not an unprimeable number, because it can be changed into a prime (55200053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13800013 + ... + 13800016.

Almost surely, 2^55200058 is an apocalyptic number.

55200058 is a deficient number, since it is larger than the sum of its proper divisors (27600032).

55200058 is a wasteful number, since it uses less digits than its factorization.

55200058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27600031.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 55200058 is about 7429.6741516704. The cubic root of 55200058 is about 380.7557857491.

The spelling of 55200058 in words is "fifty-five million, two hundred thousand, fifty-eight".