52215045 has 16 divisors (see below), whose sum is σ = 84100992. Its totient is φ = 27662400.

The previous prime is 52215019. The next prime is 52215049. The reversal of 52215045 is 54051225.

It is a happy number.

52215045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52215045 - 2¹⁹ = 51690757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52215049) 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 15 ways as a sum of consecutive naturals, for example, 9262 + ... + 13791.

It is an arithmetic number, because the mean of its divisors is an integer number (5256312).

Almost surely, 2^52215045 is an apocalyptic number.

It is an amenable number.

52215045 is a deficient number, since it is larger than the sum of its proper divisors (31885947).

52215045 is a wasteful number, since it uses less digits than its factorization.

52215045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23212.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 52215045 is about 7225.9978549679. The cubic root of 52215045 is about 373.7649323087.

The spelling of 52215045 in words is "fifty-two million, two hundred fifteen thousand, forty-five".