51772623 has 8 divisors (see below), whose sum is σ = 78891648. Its totient is φ = 29584344.

The previous prime is 51772603. The next prime is 51772631. The reversal of 51772623 is 32627715.

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

It is not a de Polignac number, because 51772623 - 2¹³ = 51764431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51772603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1232661 + ... + 1232702.

It is an arithmetic number, because the mean of its divisors is an integer number (9861456).

Almost surely, 2^51772623 is an apocalyptic number.

51772623 is a deficient number, since it is larger than the sum of its proper divisors (27119025).

51772623 is a wasteful number, since it uses less digits than its factorization.

51772623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465373.

The product of its digits is 17640, while the sum is 33.

The square root of 51772623 is about 7195.3195203549. The cubic root of 51772623 is about 372.7062905518.

The spelling of 51772623 in words is "fifty-one million, seven hundred seventy-two thousand, six hundred twenty-three".