546257790 has 128 divisors (see below), whose sum is σ = 1651507200. Its totient is φ = 127370880.

The previous prime is 546257783. The next prime is 546257807. The reversal of 546257790 is 97752645.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62595 + ... + 70785.

It is an arithmetic number, because the mean of its divisors is an integer number (12902400).

Almost surely, 2^546257790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 546257790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825753600).

546257790 is an abundant number, since it is smaller than the sum of its proper divisors (1105249410).

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

546257790 is a wasteful number, since it uses less digits than its factorization.

546257790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8239 (or 8233 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 546257790 is about 23372.1584369095. The cubic root of 546257790 is about 817.4588145230.

The spelling of 546257790 in words is "five hundred forty-six million, two hundred fifty-seven thousand, seven hundred ninety".