53212611355644 has 48 divisors (see below), whose sum is σ = 133715479738400. Its totient is φ = 16372898323200.

The previous prime is 53212611355597. The next prime is 53212611355649. The reversal of 53212611355644 is 44655311621235.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53212611355593 and 53212611355602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53212611355649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10036782 + ... + 14393130.

Almost surely, 2^{53212611355644} is an apocalyptic number.

It is an amenable number.

53212611355644 is an abundant number, since it is smaller than the sum of its proper divisors (80502868382756).

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

53212611355644 is a wasteful number, since it uses less digits than its factorization.

53212611355644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4434670 (or 4434668 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 48.

Adding to 53212611355644 its reverse (44655311621235), we get a palindrome (97867922976879).

The spelling of 53212611355644 in words is "fifty-three trillion, two hundred twelve billion, six hundred eleven million, three hundred fifty-five thousand, six hundred forty-four".