28792553 has 2 divisors, whose sum is σ = 28792554. Its totient is φ = 28792552.

The previous prime is 28792507. The next prime is 28792567. The reversal of 28792553 is 35529782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27071209 + 1721344 = 5203^2 + 1312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28792553 is a prime.

It is a super-2 number, since 2×28792553² = 1658022216515618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28792553.

It is not a weakly prime, because it can be changed into another prime (28794553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14396276 + 14396277.

It is an arithmetic number, because the mean of its divisors is an integer number (14396277).

Almost surely, 2^28792553 is an apocalyptic number.

It is an amenable number.

28792553 is a deficient number, since it is larger than the sum of its proper divisors (1).

28792553 is an equidigital number, since it uses as much as digits as its factorization.

28792553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 28792553 is about 5365.8692678820. The cubic root of 28792553 is about 306.4973507431.

The spelling of 28792553 in words is "twenty-eight million, seven hundred ninety-two thousand, five hundred fifty-three".