51951422401 has 8 divisors (see below), whose sum is σ = 52935747264. Its totient is φ = 50967249840.

The previous prime is 51951422399. The next prime is 51951422407. The reversal of 51951422401 is 10422415915.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51951422401 - 2¹ = 51951422399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51951422407) 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, 840796 + ... + 900466.

It is an arithmetic number, because the mean of its divisors is an integer number (6616968408).

Almost surely, 2^51951422401 is an apocalyptic number.

It is an amenable number.

51951422401 is a deficient number, since it is larger than the sum of its proper divisors (984324863).

51951422401 is a wasteful number, since it uses less digits than its factorization.

51951422401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76151.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 51951422401 in words is "fifty-one billion, nine hundred fifty-one million, four hundred twenty-two thousand, four hundred one".