42552631 has 8 divisors (see below), whose sum is σ = 46474128. Its totient is φ = 38640000.

The previous prime is 42552583. The next prime is 42552659. The reversal of 42552631 is 13625524.

42552631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42552631 - 2¹⁵ = 42519863 is a prime.

It is a super-2 number, since 2×42552631² = 3621452810044322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42552631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42552031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11601 + ... + 14821.

It is an arithmetic number, because the mean of its divisors is an integer number (5809266).

Almost surely, 2^42552631 is an apocalyptic number.

42552631 is a deficient number, since it is larger than the sum of its proper divisors (3921497).

42552631 is a wasteful number, since it uses less digits than its factorization.

42552631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433.

The product of its digits is 7200, while the sum is 28.

The square root of 42552631 is about 6523.2377696969. The cubic root of 42552631 is about 349.1205977260.

It can be divided in two parts, 4255 and 2631, that added together give a palindrome (6886).

The spelling of 42552631 in words is "forty-two million, five hundred fifty-two thousand, six hundred thirty-one".