53488888434 has 128 divisors (see below), whose sum is σ = 132940431360. Its totient is φ = 15861484800.

The previous prime is 53488888381. The next prime is 53488888463. The reversal of 53488888434 is 43488888435.

53488888434 is a `hidden beast` number, since 5 + 3 + 48 + 88 + 88 + 434 = 666.

It is a super-2 number, since 2×53488888434² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1201839 + ... + 1245549.

It is an arithmetic number, because the mean of its divisors is an integer number (1038597120).

Almost surely, 2^53488888434 is an apocalyptic number.

53488888434 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53488888434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66470215680).

53488888434 is an abundant number, since it is smaller than the sum of its proper divisors (79451542926).

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

53488888434 is a wasteful number, since it uses less digits than its factorization.

53488888434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43813 (or 43807 counting only the distinct ones).

The product of its digits is 94371840, while the sum is 63.

Subtracting from 53488888434 its reverse (43488888435), we obtain a palindrome (9999999999).

The spelling of 53488888434 in words is "fifty-three billion, four hundred eighty-eight million, eight hundred eighty-eight thousand, four hundred thirty-four".