51662306 has 16 divisors (see below), whose sum is σ = 81699840. Its totient is φ = 24464640.

The previous prime is 51662291. The next prime is 51662321. The reversal of 51662306 is 60326615.

It is an interprime number because it is at equal distance from previous prime (51662291) and next prime (51662321).

It is a super-2 number, since 2×51662306² = 5337987722475272, which contains 22 as substring.

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, 5951 + ... + 11778.

It is an arithmetic number, because the mean of its divisors is an integer number (5106240).

Almost surely, 2^51662306 is an apocalyptic number.

51662306 is a deficient number, since it is larger than the sum of its proper divisors (30037534).

51662306 is a wasteful number, since it uses less digits than its factorization.

51662306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17809.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 51662306 is about 7187.6495462703. The cubic root of 51662306 is about 372.4413817044.

The spelling of 51662306 in words is "fifty-one million, six hundred sixty-two thousand, three hundred six".