52190770 has 8 divisors (see below), whose sum is σ = 93943404. Its totient is φ = 20876304.

The previous prime is 52190767. The next prime is 52190779. The reversal of 52190770 is 7709125.

52190770 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 50965321 + 1225449 = 7139^2 + 1107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (52190779) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2609529 + ... + 2609548.

Almost surely, 2^52190770 is an apocalyptic number.

52190770 is a deficient number, since it is larger than the sum of its proper divisors (41752634).

52190770 is a wasteful number, since it uses less digits than its factorization.

52190770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5219084.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 52190770 is about 7224.3179608874. The cubic root of 52190770 is about 373.7070016865.

Adding to 52190770 its reverse (7709125), we get a palindrome (59899895).

The spelling of 52190770 in words is "fifty-two million, one hundred ninety thousand, seven hundred seventy".