51942086 has 16 divisors (see below), whose sum is σ = 93730560. Its totient is φ = 21089160.

The previous prime is 51942071. The next prime is 51942101. The reversal of 51942086 is 68024915.

It is an interprime number because it is at equal distance from previous prime (51942071) and next prime (51942101).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97370 + ... + 97901.

It is an arithmetic number, because the mean of its divisors is an integer number (5858160).

Almost surely, 2^51942086 is an apocalyptic number.

51942086 is a deficient number, since it is larger than the sum of its proper divisors (41788474).

51942086 is a wasteful number, since it uses less digits than its factorization.

51942086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195299.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 51942086 is about 7207.0858188314. The cubic root of 51942086 is about 373.1124971237.

The spelling of 51942086 in words is "fifty-one million, nine hundred forty-two thousand, eighty-six".