51942658 has 16 divisors (see below), whose sum is σ = 79176960. Its totient is φ = 25552800.

The previous prime is 51942647. The next prime is 51942673. The reversal of 51942658 is 85624915.

It is a self number, because there is not a number n which added to its sum of digits gives 51942658.

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, 82003 + ... + 82633.

It is an arithmetic number, because the mean of its divisors is an integer number (4948560).

Almost surely, 2^51942658 is an apocalyptic number.

51942658 is a deficient number, since it is larger than the sum of its proper divisors (27234302).

51942658 is a wasteful number, since it uses less digits than its factorization.

51942658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233.

The product of its digits is 86400, while the sum is 40.

The square root of 51942658 is about 7207.1255018905. The cubic root of 51942658 is about 373.1138667232.

The spelling of 51942658 in words is "fifty-one million, nine hundred forty-two thousand, six hundred fifty-eight".