51393460954 has 16 divisors (see below), whose sum is σ = 89045355456. Its totient is φ = 21986507200.

The previous prime is 51393460939. The next prime is 51393460991. The reversal of 51393460954 is 45906439315.

It is a junction number, because it is equal to n+sod(n) for n = 51393460898 and 51393460907.

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, 68707462 + ... + 68708209.

It is an arithmetic number, because the mean of its divisors is an integer number (5565334716).

Almost surely, 2^51393460954 is an apocalyptic number.

51393460954 is a deficient number, since it is larger than the sum of its proper divisors (37651894502).

51393460954 is a wasteful number, since it uses less digits than its factorization.

51393460954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137415701.

The product of its (nonzero) digits is 1749600, while the sum is 49.

The spelling of 51393460954 in words is "fifty-one billion, three hundred ninety-three million, four hundred sixty thousand, nine hundred fifty-four".