51622250880 has 64 divisors (see below), whose sum is σ = 164545930800. Its totient is φ = 13765933056.

The previous prime is 51622250873. The next prime is 51622250917. The reversal of 51622250880 is 8805222615.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13441375 + ... + 13445214.

Almost surely, 2^51622250880 is an apocalyptic number.

It is an amenable number.

51622250880 is an abundant number, since it is smaller than the sum of its proper divisors (112923679920).

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

51622250880 is a wasteful number, since it uses less digits than its factorization.

51622250880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26886611 (or 26886599 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 51622250880 in words is "fifty-one billion, six hundred twenty-two million, two hundred fifty thousand, eight hundred eighty".