52420075 has 12 divisors (see below), whose sum is σ = 65094048. Its totient is φ = 41876000.

The previous prime is 52420073. The next prime is 52420091. The reversal of 52420075 is 57002425.

It is not a de Polignac number, because 52420075 - 2¹ = 52420073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52420073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26625 + ... + 28525.

It is an arithmetic number, because the mean of its divisors is an integer number (5424504).

Almost surely, 2^52420075 is an apocalyptic number.

52420075 is a deficient number, since it is larger than the sum of its proper divisors (12673973).

52420075 is a wasteful number, since it uses less digits than its factorization.

52420075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014 (or 3009 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 52420075 is about 7240.1709233968. The cubic root of 52420075 is about 374.2535075761.

The spelling of 52420075 in words is "fifty-two million, four hundred twenty thousand, seventy-five".