51612046 has 8 divisors (see below), whose sum is σ = 80784144. Its totient is φ = 24684000.

The previous prime is 51612031. The next prime is 51612047. The reversal of 51612046 is 64021615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51612046² = 5327606584612232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51612046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51612047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560955 + ... + 561046.

It is an arithmetic number, because the mean of its divisors is an integer number (10098018).

Almost surely, 2^51612046 is an apocalyptic number.

51612046 is a deficient number, since it is larger than the sum of its proper divisors (29172098).

51612046 is a wasteful number, since it uses less digits than its factorization.

51612046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122026.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 51612046 is about 7184.1524204321. The cubic root of 51612046 is about 372.3205652017.

The spelling of 51612046 in words is "fifty-one million, six hundred twelve thousand, forty-six".