55028284 has 12 divisors (see below), whose sum is σ = 96513424. Its totient is φ = 27453024.

The previous prime is 55028251. The next prime is 55028299. The reversal of 55028284 is 48282055.

It is a super-2 number, since 2×55028284² = 6056224079969312, which contains 22 as substring.

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, 13224 + ... + 16879.

Almost surely, 2^55028284 is an apocalyptic number.

It is an amenable number.

55028284 is a deficient number, since it is larger than the sum of its proper divisors (41485140).

55028284 is a wasteful number, since it uses less digits than its factorization.

55028284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30564 (or 30562 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 55028284 is about 7418.1051488908. The cubic root of 55028284 is about 380.3604244243.

The spelling of 55028284 in words is "fifty-five million, twenty-eight thousand, two hundred eighty-four".