51927946 has 24 divisors (see below), whose sum is σ = 93064356. Its totient is φ = 21651840.

The previous prime is 51927943. The next prime is 51927947. The reversal of 51927946 is 64972915.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51279921 + 648025 = 7161^2 + 805^2 .

It is not an unprimeable number, because it can be changed into a prime (51927943) 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, 3535 + ... + 10786.

Almost surely, 2^51927946 is an apocalyptic number.

51927946 is a deficient number, since it is larger than the sum of its proper divisors (41136410).

51927946 is a wasteful number, since it uses less digits than its factorization.

51927946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14374 (or 14367 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 51927946 is about 7206.1047730379. The cubic root of 51927946 is about 373.0786370439.

The spelling of 51927946 in words is "fifty-one million, nine hundred twenty-seven thousand, nine hundred forty-six".