51353433020404 has 12 divisors (see below), whose sum is σ = 89881388515044. Its totient is φ = 25673036301824.

The previous prime is 51353433020347. The next prime is 51353433020437. The reversal of 51353433020404 is 40402033435315.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32307173923600 + 19046259096804 = 5683940^2 + 4364202^2 .

It is a super-2 number, since 2×51353433020404² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920020699 + ... + 920076514.

It is an arithmetic number, because the mean of its divisors is an integer number (7490115709587).

Almost surely, 2^{51353433020404} is an apocalyptic number.

It is an amenable number.

51353433020404 is a deficient number, since it is larger than the sum of its proper divisors (38527955494640).

51353433020404 is a wasteful number, since it uses less digits than its factorization.

51353433020404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840104194 (or 1840104192 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 51353433020404 its reverse (40402033435315), we get a palindrome (91755466455719).

The spelling of 51353433020404 in words is "fifty-one trillion, three hundred fifty-three billion, four hundred thirty-three million, twenty thousand, four hundred four".