51654410387 has 2 divisors, whose sum is σ = 51654410388. Its totient is φ = 51654410386.

The previous prime is 51654410323. The next prime is 51654410417. The reversal of 51654410387 is 78301445615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51654410387 - 2⁶ = 51654410323 is a prime.

It is a super-2 number, since 2×51654410387² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51654412387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25827205193 + 25827205194.

It is an arithmetic number, because the mean of its divisors is an integer number (25827205194).

Almost surely, 2^51654410387 is an apocalyptic number.

51654410387 is a deficient number, since it is larger than the sum of its proper divisors (1).

51654410387 is an equidigital number, since it uses as much as digits as its factorization.

51654410387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 51654410387 in words is "fifty-one billion, six hundred fifty-four million, four hundred ten thousand, three hundred eighty-seven".