51452471377 has 4 divisors (see below), whose sum is σ = 51760570176. Its totient is φ = 51144372580.

The previous prime is 51452471347. The next prime is 51452471383. The reversal of 51452471377 is 77317425415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51452471377 - 2¹¹ = 51452469329 is a prime.

It is a super-2 number, since 2×51452471377² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51452471327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154049149 + ... + 154049482.

It is an arithmetic number, because the mean of its divisors is an integer number (12940142544).

Almost surely, 2^51452471377 is an apocalyptic number.

It is an amenable number.

51452471377 is a deficient number, since it is larger than the sum of its proper divisors (308098799).

51452471377 is a wasteful number, since it uses less digits than its factorization.

51452471377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308098798.

The product of its digits is 823200, while the sum is 46.

The spelling of 51452471377 in words is "fifty-one billion, four hundred fifty-two million, four hundred seventy-one thousand, three hundred seventy-seven".