53179145940 has 192 divisors, whose sum is σ = 159694778880. Its totient is φ = 13189693440.

The previous prime is 53179145933. The next prime is 53179145947. The reversal of 53179145940 is 4954197135.

It is an interprime number because it is at equal distance from previous prime (53179145933) and next prime (53179145947).

It is a self number, because there is not a number n which added to its sum of digits gives 53179145940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53179145947) 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 63 ways as a sum of consecutive naturals, for example, 19066066 + ... + 19068854.

It is an arithmetic number, because the mean of its divisors is an integer number (831743640).

Almost surely, 2^53179145940 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 53179145940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79847389440).

53179145940 is an abundant number, since it is smaller than the sum of its proper divisors (106515632940).

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

53179145940 is a wasteful number, since it uses less digits than its factorization.

53179145940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202 (or 3200 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 53179145940 in words is "fifty-three billion, one hundred seventy-nine million, one hundred forty-five thousand, nine hundred forty".