52578470 has 32 divisors (see below), whose sum is σ = 110376000. Its totient is φ = 18025728.

The previous prime is 52578419. The next prime is 52578473. The reversal of 52578470 is 7487525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52578473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4235 + ... + 11094.

It is an arithmetic number, because the mean of its divisors is an integer number (3449250).

Almost surely, 2^52578470 is an apocalyptic number.

52578470 is an abundant number, since it is smaller than the sum of its proper divisors (57797530).

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

52578470 is a wasteful number, since it uses less digits than its factorization.

52578470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15357 (or 15343 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 52578470 is about 7251.1012956654. The cubic root of 52578470 is about 374.6300826238.

The spelling of 52578470 in words is "fifty-two million, five hundred seventy-eight thousand, four hundred seventy".