42552472 has 8 divisors (see below), whose sum is σ = 79785900. Its totient is φ = 21276232.

The previous prime is 42552469. The next prime is 42552473. The reversal of 42552472 is 27425524.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42552473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2659522 + ... + 2659537.

Almost surely, 2^42552472 is an apocalyptic number.

It is an amenable number.

42552472 is a deficient number, since it is larger than the sum of its proper divisors (37233428).

42552472 is a wasteful number, since it uses less digits than its factorization.

42552472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319065 (or 5319061 counting only the distinct ones).

The product of its digits is 22400, while the sum is 31.

The square root of 42552472 is about 6523.2255824860. The cubic root of 42552472 is about 349.1201628900.

Adding to 42552472 its reverse (27425524), we get a palindrome (69977996).

The spelling of 42552472 in words is "forty-two million, five hundred fifty-two thousand, four hundred seventy-two".