655242546 has 64 divisors (see below), whose sum is σ = 1542972672. Its totient is φ = 181585152.

The previous prime is 655242503. The next prime is 655242547. The reversal of 655242546 is 645242556.

It is not an unprimeable number, because it can be changed into a prime (655242547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 865200 + ... + 865956.

It is an arithmetic number, because the mean of its divisors is an integer number (24108948).

Almost surely, 2^655242546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655242546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771486336).

655242546 is an abundant number, since it is smaller than the sum of its proper divisors (887730126).

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

655242546 is a wasteful number, since it uses less digits than its factorization.

655242546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363.

The product of its digits is 288000, while the sum is 39.

The square root of 655242546 is about 25597.7058737692. The cubic root of 655242546 is about 868.5617430631.

The spelling of 655242546 in words is "six hundred fifty-five million, two hundred forty-two thousand, five hundred forty-six".