42552528 has 20 divisors (see below), whose sum is σ = 109927488. Its totient is φ = 14184160.

The previous prime is 42552527. The next prime is 42552529. The reversal of 42552528 is 82525524.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42552527) and next prime (42552529).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42552527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443208 + ... + 443303.

Almost surely, 2^42552528 is an apocalyptic number.

42552528 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42552528 is an abundant number, since it is smaller than the sum of its proper divisors (67374960).

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

42552528 is a wasteful number, since it uses less digits than its factorization.

42552528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886522 (or 886516 counting only the distinct ones).

The product of its digits is 32000, while the sum is 33.

The square root of 42552528 is about 6523.2298748396. The cubic root of 42552528 is about 349.1203160399.

The spelling of 42552528 in words is "forty-two million, five hundred fifty-two thousand, five hundred twenty-eight".