578252550 has 48 divisors (see below), whose sum is σ = 1457598672. Its totient is φ = 151670400.

The previous prime is 578252513. The next prime is 578252551. The reversal of 578252550 is 55252875.

It is a junction number, because it is equal to n+sod(n) for n = 578252499 and 578252508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578252551) 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, 22449 + ... + 40748.

It is an arithmetic number, because the mean of its divisors is an integer number (30366639).

Almost surely, 2^578252550 is an apocalyptic number.

578252550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

578252550 is an abundant number, since it is smaller than the sum of its proper divisors (879346122).

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

578252550 is a wasteful number, since it uses less digits than its factorization.

578252550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63273 (or 63268 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 39.

The square root of 578252550 is about 24046.8823343069. The cubic root of 578252550 is about 833.1167232565.

The spelling of 578252550 in words is "five hundred seventy-eight million, two hundred fifty-two thousand, five hundred fifty".