51530426002 has 32 divisors (see below), whose sum is σ = 86046867648. Its totient is φ = 22947000000.

The previous prime is 51530425987. The next prime is 51530426071. The reversal of 51530426002 is 20062403515.

It is a super-3 number, since 3×51530426002³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260352 + ... + 413332.

It is an arithmetic number, because the mean of its divisors is an integer number (2688964614).

Almost surely, 2^51530426002 is an apocalyptic number.

51530426002 is a deficient number, since it is larger than the sum of its proper divisors (34516441646).

51530426002 is a wasteful number, since it uses less digits than its factorization.

51530426002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153306.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 51530426002 its reverse (20062403515), we get a palindrome (71592829517).

The spelling of 51530426002 in words is "fifty-one billion, five hundred thirty million, four hundred twenty-six thousand, two".