51623074 has 8 divisors (see below), whose sum is σ = 80104860. Its totient is φ = 24921456.

The previous prime is 51623051. The next prime is 51623081. The reversal of 51623074 is 47032615.

It can be written as a sum of positive squares in 2 ways, for example, as 51022449 + 600625 = 7143^2 + 775^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444969 + ... + 445084.

Almost surely, 2^51623074 is an apocalyptic number.

51623074 is a deficient number, since it is larger than the sum of its proper divisors (28481786).

51623074 is a wasteful number, since it uses less digits than its factorization.

51623074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890084.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 51623074 is about 7184.9199021283. The cubic root of 51623074 is about 372.3470813551.

Adding to 51623074 its reverse (47032615), we get a palindrome (98655689).

The spelling of 51623074 in words is "fifty-one million, six hundred twenty-three thousand, seventy-four".