53023405552 has 80 divisors (see below), whose sum is σ = 117791960832. Its totient is φ = 22905262080.

The previous prime is 53023405549. The next prime is 53023405553. The reversal of 53023405552 is 25550432035.

53023405552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53023405552² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53023405553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598593 + ... + 681439.

Almost surely, 2^53023405552 is an apocalyptic number.

53023405552 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53023405552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58895980416).

53023405552 is an abundant number, since it is smaller than the sum of its proper divisors (64768555280).

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

53023405552 is a wasteful number, since it uses less digits than its factorization.

53023405552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83066 (or 83060 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 34.

Adding to 53023405552 its reverse (25550432035), we get a palindrome (78573837587).

The spelling of 53023405552 in words is "fifty-three billion, twenty-three million, four hundred five thousand, five hundred fifty-two".