51951952723452 has 48 divisors (see below), whose sum is σ = 127492558405632. Its totient is φ = 16442492639040.

The previous prime is 51951952723387. The next prime is 51951952723499. The reversal of 51951952723452 is 25432725915915.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1317487708 + ... + 1317527139.

It is an arithmetic number, because the mean of its divisors is an integer number (2656094966784).

Almost surely, 2^{51951952723452} is an apocalyptic number.

It is an amenable number.

51951952723452 is an abundant number, since it is smaller than the sum of its proper divisors (75540605682180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51951952723452 is a wasteful number, since it uses less digits than its factorization.

51951952723452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635014938 (or 2635014936 counting only the distinct ones).

The product of its digits is 34020000, while the sum is 60.

The spelling of 51951952723452 in words is "fifty-one trillion, nine hundred fifty-one billion, nine hundred fifty-two million, seven hundred twenty-three thousand, four hundred fifty-two".