42552534 has 16 divisors (see below), whose sum is σ = 86711472. Its totient is φ = 13916448.

The previous prime is 42552529. The next prime is 42552539. The reversal of 42552534 is 43525524.

It is an interprime number because it is at equal distance from previous prime (42552529) and next prime (42552539).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42552539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66589 + ... + 67224.

It is an arithmetic number, because the mean of its divisors is an integer number (5419467).

Almost surely, 2^42552534 is an apocalyptic number.

42552534 is an abundant number, since it is smaller than the sum of its proper divisors (44158938).

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

42552534 is a wasteful number, since it uses less digits than its factorization.

42552534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133871.

The product of its digits is 24000, while the sum is 30.

The square root of 42552534 is about 6523.2303347345. The cubic root of 42552534 is about 349.1203324488.

The spelling of 42552534 in words is "forty-two million, five hundred fifty-two thousand, five hundred thirty-four".