52987475 has 12 divisors (see below), whose sum is σ = 66000984. Its totient is φ = 42198720.

The previous prime is 52987421. The next prime is 52987477. The reversal of 52987475 is 57478925.

It is a happy number.

It is not a de Polignac number, because 52987475 - 2¹² = 52983379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52987477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1007 + ... + 10343.

It is an arithmetic number, because the mean of its divisors is an integer number (5500082).

Almost surely, 2^52987475 is an apocalyptic number.

52987475 is a deficient number, since it is larger than the sum of its proper divisors (13013509).

52987475 is a wasteful number, since it uses less digits than its factorization.

52987475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9574 (or 9569 counting only the distinct ones).

The product of its digits is 705600, while the sum is 47.

The square root of 52987475 is about 7279.2496179208. The cubic root of 52987475 is about 375.5989834814.

The spelling of 52987475 in words is "fifty-two million, nine hundred eighty-seven thousand, four hundred seventy-five".