52420770 has 40 divisors (see below), whose sum is σ = 140955804. Its totient is φ = 13978656.

The previous prime is 52420769. The next prime is 52420793. The reversal of 52420770 is 7702425.

52420770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 50424201 + 1996569 = 7101^2 + 1413^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31549 + ... + 33168.

Almost surely, 2^52420770 is an apocalyptic number.

52420770 is an abundant number, since it is smaller than the sum of its proper divisors (88535034).

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

52420770 is a wasteful number, since it uses less digits than its factorization.

52420770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64736 (or 64727 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 52420770 is about 7240.2189193421. The cubic root of 52420770 is about 374.2551615547.

The spelling of 52420770 in words is "fifty-two million, four hundred twenty thousand, seven hundred seventy".