51472243008 has 84 divisors (see below), whose sum is σ = 148419616800. Its totient is φ = 17054643456.

The previous prime is 51472243003. The next prime is 51472243019. The reversal of 51472243008 is 80034227415.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51472243003) 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, 171358 + ... + 363741.

It is an arithmetic number, because the mean of its divisors is an integer number (1766900200).

Almost surely, 2^51472243008 is an apocalyptic number.

It is an amenable number.

51472243008 is an abundant number, since it is smaller than the sum of its proper divisors (96947373792).

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

51472243008 is a wasteful number, since it uses less digits than its factorization.

51472243008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535284 (or 535271 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 51472243008 in words is "fifty-one billion, four hundred seventy-two million, two hundred forty-three thousand, eight".