51354956 has 6 divisors (see below), whose sum is σ = 89871180. Its totient is φ = 25677476.

The previous prime is 51354937. The next prime is 51354983. The reversal of 51354956 is 65945315.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6419366 + ... + 6419373.

It is an arithmetic number, because the mean of its divisors is an integer number (14978530).

Almost surely, 2^51354956 is an apocalyptic number.

It is an amenable number.

51354956 is a deficient number, since it is larger than the sum of its proper divisors (38516224).

51354956 is a wasteful number, since it uses less digits than its factorization.

51354956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12838743 (or 12838741 counting only the distinct ones).

The product of its digits is 81000, while the sum is 38.

The square root of 51354956 is about 7166.2372274437. The cubic root of 51354956 is about 371.7013346397.

The spelling of 51354956 in words is "fifty-one million, three hundred fifty-four thousand, nine hundred fifty-six".