52061970 has 16 divisors (see below), whose sum is σ = 124948800. Its totient is φ = 13883184.

The previous prime is 52061969. The next prime is 52061993. The reversal of 52061970 is 7916025.

It is a super-3 number, since 3×52061970³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1735399 = 52061970 / (5 + 2 + 0 + 6 + 1 + 9 + 7 + 0).

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, 867670 + ... + 867729.

It is an arithmetic number, because the mean of its divisors is an integer number (7809300).

Almost surely, 2^52061970 is an apocalyptic number.

52061970 is an abundant number, since it is smaller than the sum of its proper divisors (72886830).

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

52061970 is a wasteful number, since it uses less digits than its factorization.

52061970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735409.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 52061970 is about 7215.3981179142. The cubic root of 52061970 is about 373.3993284338.

Adding to 52061970 its reverse (7916025), we get a palindrome (59977995).

The spelling of 52061970 in words is "fifty-two million, sixty-one thousand, nine hundred seventy".