549792900 has 72 divisors (see below), whose sum is σ = 1767491040. Its totient is φ = 146610720.

The previous prime is 549792899. The next prime is 549792907. The reversal of 549792900 is 9297945.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (549792907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99114 + ... + 104513.

Almost surely, 2^549792900 is an apocalyptic number.

549792900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

549792900 is an abundant number, since it is smaller than the sum of its proper divisors (1217698140).

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

549792900 is a wasteful number, since it uses less digits than its factorization.

549792900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203650 (or 203637 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 549792900 is about 23447.6629965547. The cubic root of 549792900 is about 819.2184204569.

The spelling of 549792900 in words is "five hundred forty-nine million, seven hundred ninety-two thousand, nine hundred".