51342525044 has 36 divisors (see below), whose sum is σ = 98025268236. Its totient is φ = 23508163584.

The previous prime is 51342525041. The next prime is 51342525049. The reversal of 51342525044 is 44052524315.

It can be written as a sum of positive squares in 6 ways, for example, as 4936748644 + 46405776400 = 70262^2 + 215420^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51342524995 and 51342525013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51342525041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 557417 + ... + 642960.

Almost surely, 2^51342525044 is an apocalyptic number.

It is an amenable number.

51342525044 is a deficient number, since it is larger than the sum of its proper divisors (46682743192).

51342525044 is a wasteful number, since it uses less digits than its factorization.

51342525044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200452 (or 1200433 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 51342525044 in words is "fifty-one billion, three hundred forty-two million, five hundred twenty-five thousand, forty-four".