53352535431 has 32 divisors (see below), whose sum is σ = 77909271552. Its totient is φ = 32277611520.

The previous prime is 53352535427. The next prime is 53352535451. The reversal of 53352535431 is 13453525335.

It is not a de Polignac number, because 53352535431 - 2² = 53352535427 is a prime.

It is a super-2 number, since 2×53352535431² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 53352535431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53352535421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 950166 + ... + 1004748.

It is an arithmetic number, because the mean of its divisors is an integer number (2434664736).

Almost surely, 2^53352535431 is an apocalyptic number.

53352535431 is a deficient number, since it is larger than the sum of its proper divisors (24556736121).

53352535431 is a wasteful number, since it uses less digits than its factorization.

53352535431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55023.

The product of its digits is 405000, while the sum is 39.

The spelling of 53352535431 in words is "fifty-three billion, three hundred fifty-two million, five hundred thirty-five thousand, four hundred thirty-one".