53044431534 has 48 divisors (see below), whose sum is σ = 121221360000. Its totient is φ = 16717250448.

The previous prime is 53044431527. The next prime is 53044431563. The reversal of 53044431534 is 43513444035.

53044431534 is a `hidden beast` number, since 5 + 304 + 4 + 4 + 315 + 34 = 666.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 15247 + ... + 326069.

It is an arithmetic number, because the mean of its divisors is an integer number (2525445000).

Almost surely, 2^53044431534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53044431534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60610680000).

53044431534 is an abundant number, since it is smaller than the sum of its proper divisors (68176928466).

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

53044431534 is a wasteful number, since it uses less digits than its factorization.

53044431534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311349 (or 311346 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 53044431534 its reverse (43513444035), we get a palindrome (96557875569).

The spelling of 53044431534 in words is "fifty-three billion, forty-four million, four hundred thirty-one thousand, five hundred thirty-four".