53023420 has 24 divisors (see below), whose sum is σ = 111513024. Its totient is φ = 21178176.

The previous prime is 53023393. The next prime is 53023427. The reversal of 53023420 is 2432035.

It is a super-2 number, since 2×53023420² = 5622966136992800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53023427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16029 + ... + 19051.

It is an arithmetic number, because the mean of its divisors is an integer number (4646376).

Almost surely, 2^53023420 is an apocalyptic number.

It is an amenable number.

53023420 is an abundant number, since it is smaller than the sum of its proper divisors (58489604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53023420 is a wasteful number, since it uses less digits than its factorization.

53023420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909 (or 3907 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 53023420 is about 7281.7182038307. The cubic root of 53023420 is about 375.6838957099.

Adding to 53023420 its reverse (2432035), we get a palindrome (55455455).

The spelling of 53023420 in words is "fifty-three million, twenty-three thousand, four hundred twenty".