42549654 has 32 divisors (see below), whose sum is σ = 98357760. Its totient is φ = 12019392.

The previous prime is 42549649. The next prime is 42549659. The reversal of 42549654 is 45694524.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42549649) and next prime (42549659).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42549659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1954 + ... + 9429.

It is an arithmetic number, because the mean of its divisors is an integer number (3073680).

Almost surely, 2^42549654 is an apocalyptic number.

42549654 is an abundant number, since it is smaller than the sum of its proper divisors (55808106).

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

42549654 is a wasteful number, since it uses less digits than its factorization.

42549654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11484.

The product of its digits is 172800, while the sum is 39.

The square root of 42549654 is about 6523.0095814739. The cubic root of 42549654 is about 349.1124559947.

The spelling of 42549654 in words is "forty-two million, five hundred forty-nine thousand, six hundred fifty-four".