52978470 has 16 divisors (see below), whose sum is σ = 127148400. Its totient is φ = 14127584.

The previous prime is 52978433. The next prime is 52978493. The reversal of 52978470 is 7487925.

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 7 ways as a sum of consecutive naturals, for example, 882945 + ... + 883004.

It is an arithmetic number, because the mean of its divisors is an integer number (7946775).

Almost surely, 2^52978470 is an apocalyptic number.

52978470 is an abundant number, since it is smaller than the sum of its proper divisors (74169930).

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

52978470 is a wasteful number, since it uses less digits than its factorization.

52978470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765959.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 52978470 is about 7278.6310526087. The cubic root of 52978470 is about 375.5777051167.

The spelling of 52978470 in words is "fifty-two million, nine hundred seventy-eight thousand, four hundred seventy".