51201531350 has 48 divisors (see below), whose sum is σ = 96711667200. Its totient is φ = 20164478880.

The previous prime is 51201531349. The next prime is 51201531371. The reversal of 51201531350 is 5313510215.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1399997 + ... + 1436103.

It is an arithmetic number, because the mean of its divisors is an integer number (2014826400).

Almost surely, 2^51201531350 is an apocalyptic number.

51201531350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51201531350 is a deficient number, since it is larger than the sum of its proper divisors (45510135850).

51201531350 is a wasteful number, since it uses less digits than its factorization.

51201531350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36557 (or 36552 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The spelling of 51201531350 in words is "fifty-one billion, two hundred one million, five hundred thirty-one thousand, three hundred fifty".