53543495040 has 512 divisors, whose sum is σ = 199286784000. Its totient is φ = 11976007680.

The previous prime is 53543495039. The next prime is 53543495041. The reversal of 53543495040 is 4059434535.

It is an interprime number because it is at equal distance from previous prime (53543495039) and next prime (53543495041).

It is a super-2 number, since 2×53543495040² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 53543494983 and 53543495001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53543495041) 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 63 ways as a sum of consecutive naturals, for example, 224031241 + ... + 224031479.

It is an arithmetic number, because the mean of its divisors is an integer number (389232000).

Almost surely, 2^53543495040 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 53543495040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99643392000).

53543495040 is an abundant number, since it is smaller than the sum of its proper divisors (145743288960).

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

53543495040 is a wasteful number, since it uses less digits than its factorization.

53543495040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 53543495040 in words is "fifty-three billion, five hundred forty-three million, four hundred ninety-five thousand, forty".