42288552 has 24 divisors (see below), whose sum is σ = 114531690. Its totient is φ = 14096160.

The previous prime is 42288539. The next prime is 42288577. The reversal of 42288552 is 25588224.

42288552 is a `hidden beast` number, since 4 + 22 + 88 + 552 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23677956 + 18610596 = 4866^2 + 4314^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 293599 + ... + 293742.

Almost surely, 2^42288552 is an apocalyptic number.

It is an amenable number.

42288552 is an abundant number, since it is smaller than the sum of its proper divisors (72243138).

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

42288552 is a wasteful number, since it uses less digits than its factorization.

42288552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587353 (or 587346 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 42288552 is about 6502.9648622763. The cubic root of 42288552 is about 348.3968916070.

The spelling of 42288552 in words is "forty-two million, two hundred eighty-eight thousand, five hundred fifty-two".