55200047690 has 16 divisors (see below), whose sum is σ = 99363414528. Its totient is φ = 22079279376.

The previous prime is 55200047687. The next prime is 55200047743. The reversal of 55200047690 is 9674000255.

It is a happy number.

55200047690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55200047690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300479 + ... + 447981.

It is an arithmetic number, because the mean of its divisors is an integer number (6210213408).

Almost surely, 2^55200047690 is an apocalyptic number.

55200047690 is a deficient number, since it is larger than the sum of its proper divisors (44163366838).

55200047690 is a wasteful number, since it uses less digits than its factorization.

55200047690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184933.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 55200047690 in words is "fifty-five billion, two hundred million, forty-seven thousand, six hundred ninety".