52475247 has 48 divisors (see below), whose sum is σ = 86025888. Its totient is φ = 30551040.

The previous prime is 52475237. The next prime is 52475251. The reversal of 52475247 is 74257425.

It is a happy number.

It is not a de Polignac number, because 52475247 - 2⁶ = 52475183 is a prime.

It is a super-2 number, since 2×52475247² = 5507303095422018, which contains 22 as substring.

Its product of digits (78400) is a multiple of the sum of its prime factors (280).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52475237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 382963 + ... + 383099.

It is an arithmetic number, because the mean of its divisors is an integer number (1792206).

Almost surely, 2^52475247 is an apocalyptic number.

52475247 is a deficient number, since it is larger than the sum of its proper divisors (33550641).

52475247 is a wasteful number, since it uses less digits than its factorization.

52475247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 277 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 52475247 is about 7243.9800524297. The cubic root of 52475247 is about 374.3847618374.

The spelling of 52475247 in words is "fifty-two million, four hundred seventy-five thousand, two hundred forty-seven".