51307046 has 16 divisors (see below), whose sum is σ = 90792960. Its totient is φ = 21279240.

The previous prime is 51307019. The next prime is 51307057. The reversal of 51307046 is 64070315.

It is a super-2 number, since 2×51307046² = 5264825938492232, which contains 22 as substring.

It is a congruent number.

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, 58676 + ... + 59543.

It is an arithmetic number, because the mean of its divisors is an integer number (5674560).

Almost surely, 2^51307046 is an apocalyptic number.

51307046 is a deficient number, since it is larger than the sum of its proper divisors (39485914).

51307046 is a wasteful number, since it uses less digits than its factorization.

51307046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118259.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 51307046 is about 7162.8936890059. The cubic root of 51307046 is about 371.5857096311.

The spelling of 51307046 in words is "fifty-one million, three hundred seven thousand, forty-six".