28200525050054 has 16 divisors (see below), whose sum is σ = 48344071776000. Its totient is φ = 12085860670344.

The previous prime is 28200525050029. The next prime is 28200525050057. The reversal of 28200525050054 is 45005052500282.

It is a happy number.

It is a super-2 number, since 2×28200525050054² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28200525050057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4297754 + ... + 8652845.

It is an arithmetic number, because the mean of its divisors is an integer number (3021504486000).

Almost surely, 2^{28200525050054} is an apocalyptic number.

28200525050054 is a deficient number, since it is larger than the sum of its proper divisors (20143546725946).

28200525050054 is a wasteful number, since it uses less digits than its factorization.

28200525050054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13106147.

The product of its (nonzero) digits is 160000, while the sum is 38.

The spelling of 28200525050054 in words is "twenty-eight trillion, two hundred billion, five hundred twenty-five million, fifty thousand, fifty-four".