51623083 has 4 divisors (see below), whose sum is σ = 51656440. Its totient is φ = 51589728.

The previous prime is 51623081. The next prime is 51623093. The reversal of 51623083 is 38032615.

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

It is a cyclic number.

It is not a de Polignac number, because 51623083 - 2¹ = 51623081 is a prime.

It is a super-3 number, since 3×51623083³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51623081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14238 + ... + 17491.

It is an arithmetic number, because the mean of its divisors is an integer number (12914110).

Almost surely, 2^51623083 is an apocalyptic number.

51623083 is a deficient number, since it is larger than the sum of its proper divisors (33357).

51623083 is a wasteful number, since it uses less digits than its factorization.

51623083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33356.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 51623083 is about 7184.9205284401. The cubic root of 51623083 is about 372.3471029935.

Adding to 51623083 its reverse (38032615), we get a palindrome (89655698).

The spelling of 51623083 in words is "fifty-one million, six hundred twenty-three thousand, eighty-three".