52289970 has 16 divisors (see below), whose sum is σ = 125496000. Its totient is φ = 13943984.

The previous prime is 52289969. The next prime is 52289983. The reversal of 52289970 is 7998225.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871470 + ... + 871529.

It is an arithmetic number, because the mean of its divisors is an integer number (7843500).

Almost surely, 2^52289970 is an apocalyptic number.

52289970 is an abundant number, since it is smaller than the sum of its proper divisors (73206030).

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

52289970 is a wasteful number, since it uses less digits than its factorization.

52289970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743009.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 52289970 is about 7231.1804015665. The cubic root of 52289970 is about 373.9436225276.

The spelling of 52289970 in words is "fifty-two million, two hundred eighty-nine thousand, nine hundred seventy".