51033140302 has 4 divisors (see below), whose sum is σ = 76549710456. Its totient is φ = 25516570150.

The previous prime is 51033140273. The next prime is 51033140303. The reversal of 51033140302 is 20304133015.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51033140303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12758285074 + ... + 12758285077.

It is an arithmetic number, because the mean of its divisors is an integer number (19137427614).

Almost surely, 2^51033140302 is an apocalyptic number.

51033140302 is a deficient number, since it is larger than the sum of its proper divisors (25516570154).

51033140302 is a wasteful number, since it uses less digits than its factorization.

51033140302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25516570153.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 51033140302 its reverse (20304133015), we get a palindrome (71337273317).

The spelling of 51033140302 in words is "fifty-one billion, thirty-three million, one hundred forty thousand, three hundred two".