51816062 has 4 divisors (see below), whose sum is σ = 77724096. Its totient is φ = 25908030.

The previous prime is 51816053. The next prime is 51816073. The reversal of 51816062 is 26061815.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12954014 + ... + 12954017.

It is an arithmetic number, because the mean of its divisors is an integer number (19431024).

Almost surely, 2^51816062 is an apocalyptic number.

51816062 is a deficient number, since it is larger than the sum of its proper divisors (25908034).

51816062 is a wasteful number, since it uses less digits than its factorization.

51816062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25908033.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 51816062 is about 7198.3374469387. The cubic root of 51816062 is about 372.8104991839.

Adding to 51816062 its reverse (26061815), we get a palindrome (77877877).

The spelling of 51816062 in words is "fifty-one million, eight hundred sixteen thousand, sixty-two".