28551160 has 96 divisors (see below), whose sum is σ = 74980080. Its totient is φ = 9743360.

The previous prime is 28551157. The next prime is 28551163. The reversal of 28551160 is 6115582.

It is an interprime number because it is at equal distance from previous prime (28551157) and next prime (28551163).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28551163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82107 + ... + 82453.

Almost surely, 2^28551160 is an apocalyptic number.

28551160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28551160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37490040).

28551160 is an abundant number, since it is smaller than the sum of its proper divisors (46428920).

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

28551160 is a wasteful number, since it uses less digits than its factorization.

28551160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 28551160 is about 5343.3285506321. The cubic root of 28551160 is about 305.6384012396.

The spelling of 28551160 in words is "twenty-eight million, five hundred fifty-one thousand, one hundred sixty".