53023430 has 16 divisors (see below), whose sum is σ = 95809824. Its totient is φ = 21127680.

The previous prime is 53023427. The next prime is 53023463. The reversal of 53023430 is 3432035.

It is a super-2 number, since 2×53023430² = 5622968257929800, 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, 7451 + ... + 12710.

It is an arithmetic number, because the mean of its divisors is an integer number (5988114).

Almost surely, 2^53023430 is an apocalyptic number.

53023430 is a deficient number, since it is larger than the sum of its proper divisors (42786394).

53023430 is a wasteful number, since it uses less digits than its factorization.

53023430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20431.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 53023430 is about 7281.7188904818. The cubic root of 53023430 is about 375.6839193274.

Adding to 53023430 its reverse (3432035), we get a palindrome (56455465).

The spelling of 53023430 in words is "fifty-three million, twenty-three thousand, four hundred thirty".