42554900 has 18 divisors (see below), whose sum is σ = 92344350. Its totient is φ = 17021920.

The previous prime is 42554891. The next prime is 42554903. The reversal of 42554900 is 945524.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 8868484 + 33686416 = 2978^2 + 5804^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42554903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212675 + ... + 212874.

Almost surely, 2^42554900 is an apocalyptic number.

It is an amenable number.

42554900 is an abundant number, since it is smaller than the sum of its proper divisors (49789450).

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

42554900 is a wasteful number, since it uses less digits than its factorization.

42554900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425563 (or 425556 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 42554900 is about 6523.4116840807. The cubic root of 42554900 is about 349.1268029088.

The spelling of 42554900 in words is "forty-two million, five hundred fifty-four thousand, nine hundred".