28053005527528 has 8 divisors (see below), whose sum is σ = 52599385364130. Its totient is φ = 14026502763760.

The previous prime is 28053005527513. The next prime is 28053005527541. The reversal of 28053005527528 is 82572550035082.

It can be written as a sum of positive squares in only one way, i.e., 27522383607684 + 530621919844 = 5246178^2 + 728438^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×28053005527528² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753312845463 + ... + 1753312845478.

Almost surely, 2^{28053005527528} is an apocalyptic number.

It is an amenable number.

28053005527528 is a deficient number, since it is larger than the sum of its proper divisors (24546379836602).

28053005527528 is a wasteful number, since it uses less digits than its factorization.

28053005527528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506625690947 (or 3506625690943 counting only the distinct ones).

The product of its (nonzero) digits is 6720000, while the sum is 52.

The spelling of 28053005527528 in words is "twenty-eight trillion, fifty-three billion, five million, five hundred twenty-seven thousand, five hundred twenty-eight".