51976366 has 24 divisors (see below), whose sum is σ = 87794280. Its totient is φ = 22940016.

The previous prime is 51976363. The next prime is 51976369. The reversal of 51976366 is 66367915.

It is an interprime number because it is at equal distance from previous prime (51976363) and next prime (51976369).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51976363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11865 + ... + 15643.

It is an arithmetic number, because the mean of its divisors is an integer number (3658095).

Almost surely, 2^51976366 is an apocalyptic number.

51976366 is a deficient number, since it is larger than the sum of its proper divisors (35817914).

51976366 is a wasteful number, since it uses less digits than its factorization.

51976366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840 (or 3817 counting only the distinct ones).

The product of its digits is 204120, while the sum is 43.

The square root of 51976366 is about 7209.4636416310. The cubic root of 51976366 is about 373.1945595686.

The spelling of 51976366 in words is "fifty-one million, nine hundred seventy-six thousand, three hundred sixty-six".