28766552 has 16 divisors (see below), whose sum is σ = 54351000. Its totient is φ = 14272960.

The previous prime is 28766539. The next prime is 28766587. The reversal of 28766552 is 25566782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12677 + ... + 14772.

Almost surely, 2^28766552 is an apocalyptic number.

It is an amenable number.

28766552 is a deficient number, since it is larger than the sum of its proper divisors (25584448).

28766552 is a wasteful number, since it uses less digits than its factorization.

28766552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27586 (or 27582 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 28766552 is about 5363.4459072503. The cubic root of 28766552 is about 306.4050625545.

The spelling of 28766552 in words is "twenty-eight million, seven hundred sixty-six thousand, five hundred fifty-two".