42515552 has 12 divisors (see below), whose sum is σ = 83702556. Its totient is φ = 21257760.

The previous prime is 42515549. The next prime is 42515563. The reversal of 42515552 is 25551524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664274 + ... + 664337.

It is an arithmetic number, because the mean of its divisors is an integer number (6975213).

Almost surely, 2^42515552 is an apocalyptic number.

It is an amenable number.

42515552 is a deficient number, since it is larger than the sum of its proper divisors (41187004).

42515552 is a wasteful number, since it uses less digits than its factorization.

42515552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328621 (or 1328613 counting only the distinct ones).

The product of its digits is 10000, while the sum is 29.

The square root of 42515552 is about 6520.3950800546. The cubic root of 42515552 is about 349.0191640886.

The spelling of 42515552 in words is "forty-two million, five hundred fifteen thousand, five hundred fifty-two".