42552100 has 18 divisors (see below), whose sum is σ = 92338274. Its totient is φ = 17020800.

The previous prime is 42552089. The next prime is 42552121. The reversal of 42552100 is 125524.

It can be written as a sum of positive squares in 3 ways, for example, as 7054336 + 35497764 = 2656^2 + 5958^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212661 + ... + 212860.

Almost surely, 2^42552100 is an apocalyptic number.

It is an amenable number.

42552100 is an abundant number, since it is smaller than the sum of its proper divisors (49786174).

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

42552100 is a wasteful number, since it uses less digits than its factorization.

42552100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425535 (or 425528 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 42552100 is about 6523.1970689226. The cubic root of 42552100 is about 349.1191455337.

Adding to 42552100 its reverse (125524), we get a palindrome (42677624).

It can be divided in two parts, 425 and 52100, that added together give a palindrome (52525).

The spelling of 42552100 in words is "forty-two million, five hundred fifty-two thousand, one hundred".