28291054 has 16 divisors (see below), whose sum is σ = 46399536. Its totient is φ = 12830400.

The previous prime is 28291013. The next prime is 28291063. The reversal of 28291054 is 45019282.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10714 + ... + 13090.

It is an arithmetic number, because the mean of its divisors is an integer number (2899971).

Almost surely, 2^28291054 is an apocalyptic number.

28291054 is a deficient number, since it is larger than the sum of its proper divisors (18108482).

28291054 is a wasteful number, since it uses less digits than its factorization.

28291054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 28291054 is about 5318.9335397239. The cubic root of 28291054 is about 304.7074288381.

It can be divided in two parts, 2829 and 1054, that added together give a palindrome (3883).

The spelling of 28291054 in words is "twenty-eight million, two hundred ninety-one thousand, fifty-four".