52245501 has 48 divisors (see below), whose sum is σ = 90652800. Its totient is φ = 26167680.

The previous prime is 52245491. The next prime is 52245527. The reversal of 52245501 is 10554225.

It is a happy number.

It is not a de Polignac number, because 52245501 - 2⁹ = 52244989 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 (52245541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73335 + ... + 74043.

It is an arithmetic number, because the mean of its divisors is an integer number (1888600).

Almost surely, 2^52245501 is an apocalyptic number.

It is an amenable number.

52245501 is a deficient number, since it is larger than the sum of its proper divisors (38407299).

52245501 is a wasteful number, since it uses less digits than its factorization.

52245501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 759 counting only the distinct ones).

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

The square root of 52245501 is about 7228.1049383639. The cubic root of 52245501 is about 373.8375880746.

Adding to 52245501 its reverse (10554225), we get a palindrome (62799726).

The spelling of 52245501 in words is "fifty-two million, two hundred forty-five thousand, five hundred one".