51255450379 has 16 divisors (see below), whose sum is σ = 58837147648. Its totient is φ = 43738888032.

The previous prime is 51255450329. The next prime is 51255450403. The reversal of 51255450379 is 97305455215.

51255450379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51255450379 - 2⁹ = 51255449867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51255450329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2516374 + ... + 2536660.

It is an arithmetic number, because the mean of its divisors is an integer number (3677321728).

Almost surely, 2^51255450379 is an apocalyptic number.

51255450379 is a deficient number, since it is larger than the sum of its proper divisors (7581697269).

51255450379 is a wasteful number, since it uses less digits than its factorization.

51255450379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21874.

The product of its (nonzero) digits is 945000, while the sum is 46.

The spelling of 51255450379 in words is "fifty-one billion, two hundred fifty-five million, four hundred fifty thousand, three hundred seventy-nine".