28554546 has 16 divisors (see below), whose sum is σ = 59592384. Its totient is φ = 9104304.

The previous prime is 28554497. The next prime is 28554551. The reversal of 28554546 is 64545582.

It is a super-2 number, since 2×28554546² = 1630724194532232, which 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, 103321 + ... + 103596.

It is an arithmetic number, because the mean of its divisors is an integer number (3724524).

Almost surely, 2^28554546 is an apocalyptic number.

28554546 is an abundant number, since it is smaller than the sum of its proper divisors (31037838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28554546 is a wasteful number, since it uses less digits than its factorization.

28554546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206945.

The product of its digits is 192000, while the sum is 39.

The square root of 28554546 is about 5343.6453849409. The cubic root of 28554546 is about 305.6504830688.

The spelling of 28554546 in words is "twenty-eight million, five hundred fifty-four thousand, five hundred forty-six".