545452250 has 32 divisors (see below), whose sum is σ = 1166959872. Its totient is φ = 187011600.

The previous prime is 545452183. The next prime is 545452307. The reversal of 545452250 is 52254545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154094 + ... + 157593.

It is an arithmetic number, because the mean of its divisors is an integer number (36467496).

Almost surely, 2^545452250 is an apocalyptic number.

545452250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

545452250 is an abundant number, since it is smaller than the sum of its proper divisors (621507622).

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

545452250 is a wasteful number, since it uses less digits than its factorization.

545452250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311711 (or 311701 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 545452250 is about 23354.9191820481. The cubic root of 545452250 is about 817.0567944909.

The spelling of 545452250 in words is "five hundred forty-five million, four hundred fifty-two thousand, two hundred fifty".