53375431408 has 80 divisors (see below), whose sum is σ = 117295305120. Its totient is φ = 23325539328.

The previous prime is 53375431387. The next prime is 53375431409. The reversal of 53375431408 is 80413457335.

It is a super-2 number, since 2×53375431408² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53375431409) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14055366 + ... + 14059162.

It is an arithmetic number, because the mean of its divisors is an integer number (1466191314).

Almost surely, 2^53375431408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53375431408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58647652560).

53375431408 is an abundant number, since it is smaller than the sum of its proper divisors (63919873712).

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

53375431408 is a wasteful number, since it uses less digits than its factorization.

53375431408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7394 (or 7388 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 53375431408 in words is "fifty-three billion, three hundred seventy-five million, four hundred thirty-one thousand, four hundred eight".