53211245040 has 120 divisors (see below), whose sum is σ = 180340823520. Its totient is φ = 14059464192.

The previous prime is 53211245011. The next prime is 53211245047. The reversal of 53211245040 is 4054211235.

53211245040 is a `hidden beast` number, since 5 + 32 + 1 + 124 + 504 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-4 number, since 4×53211245040⁴ (a number of 44 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53211244995 and 53211245013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53211245047) 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 23 ways as a sum of consecutive naturals, for example, 260532 + ... + 417491.

It is an arithmetic number, because the mean of its divisors is an integer number (1502840196).

Almost surely, 2^53211245040 is an apocalyptic number.

It is an amenable number.

53211245040 is an abundant number, since it is smaller than the sum of its proper divisors (127129578480).

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

53211245040 is a wasteful number, since it uses less digits than its factorization.

53211245040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678151 (or 678142 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 53211245040 its reverse (4054211235), we get a palindrome (57265456275).

The spelling of 53211245040 in words is "fifty-three billion, two hundred eleven million, two hundred forty-five thousand, forty".