51553025161432 has 32 divisors (see below), whose sum is σ = 104342704610400. Its totient is φ = 23805594824704.

The previous prime is 51553025161387. The next prime is 51553025161439. The reversal of 51553025161432 is 23416152035515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51553025161439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4830675433 + ... + 4830686104.

It is an arithmetic number, because the mean of its divisors is an integer number (3260709519075).

Almost surely, 2^{51553025161432} is an apocalyptic number.

It is an amenable number.

51553025161432 is an abundant number, since it is smaller than the sum of its proper divisors (52789679448968).

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

51553025161432 is a wasteful number, since it uses less digits than its factorization.

51553025161432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9661361595 (or 9661361591 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

Adding to 51553025161432 its reverse (23416152035515), we get a palindrome (74969177196947).

The spelling of 51553025161432 in words is "fifty-one trillion, five hundred fifty-three billion, twenty-five million, one hundred sixty-one thousand, four hundred thirty-two".