42554516 has 12 divisors (see below), whose sum is σ = 74520180. Its totient is φ = 21263040.

The previous prime is 42554497. The next prime is 42554527. The reversal of 42554516 is 61545524.

It can be written as a sum of positive squares in 2 ways, for example, as 26522500 + 16032016 = 5150^2 + 4004^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6080 + ... + 11048.

It is an arithmetic number, because the mean of its divisors is an integer number (6210015).

Almost surely, 2^42554516 is an apocalyptic number.

It is an amenable number.

42554516 is a deficient number, since it is larger than the sum of its proper divisors (31965664).

42554516 is a wasteful number, since it uses less digits than its factorization.

42554516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7114 (or 7112 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 42554516 is about 6523.3822515625. The cubic root of 42554516 is about 349.1257527743.

The spelling of 42554516 in words is "forty-two million, five hundred fifty-four thousand, five hundred sixteen".