545916390 has 32 divisors (see below), whose sum is σ = 1340672256. Its totient is φ = 142191840.

The previous prime is 545916383. The next prime is 545916407. The reversal of 545916390 is 93619545.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210306 + ... + 212885.

It is an arithmetic number, because the mean of its divisors is an integer number (41896008).

Almost surely, 2^545916390 is an apocalyptic number.

545916390 is an abundant number, since it is smaller than the sum of its proper divisors (794755866).

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

545916390 is a wasteful number, since it uses less digits than its factorization.

545916390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423244.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 545916390 is about 23364.8537337600. The cubic root of 545916390 is about 817.2884806597.

The spelling of 545916390 in words is "five hundred forty-five million, nine hundred sixteen thousand, three hundred ninety".