53023542 has 64 divisors (see below), whose sum is σ = 128943360. Its totient is φ = 14313600.

The previous prime is 53023541. The next prime is 53023549. The reversal of 53023542 is 24532035.

It is a super-2 number, since 2×53023542² = 5622992012451528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53023541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23817 + ... + 25947.

It is an arithmetic number, because the mean of its divisors is an integer number (2014740).

Almost surely, 2^53023542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53023542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64471680).

53023542 is an abundant number, since it is smaller than the sum of its proper divisors (75919818).

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

53023542 is a wasteful number, since it uses less digits than its factorization.

53023542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 53023542 is about 7281.7265809697. The cubic root of 53023542 is about 375.6841838430.

Adding to 53023542 its reverse (24532035), we get a palindrome (77555577).

The spelling of 53023542 in words is "fifty-three million, twenty-three thousand, five hundred forty-two".