53023502 has 16 divisors (see below), whose sum is σ = 91445760. Its totient is φ = 22587288.

The previous prime is 53023483. The next prime is 53023541. The reversal of 53023502 is 20532035.

It is a super-2 number, since 2×53023502² = 5622983528688008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9002 + ... + 13677.

It is an arithmetic number, because the mean of its divisors is an integer number (5715360).

Almost surely, 2^53023502 is an apocalyptic number.

53023502 is a deficient number, since it is larger than the sum of its proper divisors (38422258).

53023502 is a wasteful number, since it uses less digits than its factorization.

53023502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22855.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 53023502 is about 7281.7238343678. The cubic root of 53023502 is about 375.6840893732.

Adding to 53023502 its reverse (20532035), we get a palindrome (73555537).

The spelling of 53023502 in words is "fifty-three million, twenty-three thousand, five hundred two".