51004244532 has 24 divisors (see below), whose sum is σ = 119037340576. Its totient is φ = 16997495328.

The previous prime is 51004244531. The next prime is 51004244567. The reversal of 51004244532 is 23544240015.

It is a self number, because there is not a number n which added to its sum of digits gives 51004244532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51004244531) 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, 435478 + ... + 540045.

Almost surely, 2^51004244532 is an apocalyptic number.

It is an amenable number.

51004244532 is an abundant number, since it is smaller than the sum of its proper divisors (68033096044).

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

51004244532 is a wasteful number, since it uses less digits than its factorization.

51004244532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979887 (or 979885 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 51004244532 its reverse (23544240015), we get a palindrome (74548484547).

The spelling of 51004244532 in words is "fifty-one billion, four million, two hundred forty-four thousand, five hundred thirty-two".