52447505 has 32 divisors (see below), whose sum is σ = 74649600. Its totient is φ = 34948800.

The previous prime is 52447489. The next prime is 52447517. The reversal of 52447505 is 50574425.

It is not a de Polignac number, because 52447505 - 2⁴ = 52447489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31586 + ... + 33204.

It is an arithmetic number, because the mean of its divisors is an integer number (2332800).

Almost surely, 2^52447505 is an apocalyptic number.

52447505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52447505 is a deficient number, since it is larger than the sum of its proper divisors (22202095).

52447505 is a wasteful number, since it uses less digits than its factorization.

52447505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 52447505 is about 7242.0649679494. The cubic root of 52447505 is about 374.3187750882.

Subtracting from 52447505 its reverse (50574425), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 52447505 in words is "fifty-two million, four hundred forty-seven thousand, five hundred five".