42540554 has 16 divisors (see below), whose sum is σ = 73277376. Its totient is φ = 18144000.

The previous prime is 42540551. The next prime is 42540557. The reversal of 42540554 is 45504524.

It is an interprime number because it is at equal distance from previous prime (42540551) and next prime (42540557).

It is not an unprimeable number, because it can be changed into a prime (42540551) 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, 4247 + ... + 10154.

It is an arithmetic number, because the mean of its divisors is an integer number (4579836).

Almost surely, 2^42540554 is an apocalyptic number.

42540554 is a deficient number, since it is larger than the sum of its proper divisors (30736822).

42540554 is a wasteful number, since it uses less digits than its factorization.

42540554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14621.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 42540554 is about 6522.3120133891. The cubic root of 42540554 is about 349.0875662518.

The spelling of 42540554 in words is "forty-two million, five hundred forty thousand, five hundred fifty-four".