51773652 has 72 divisors (see below), whose sum is σ = 153246912. Its totient is φ = 14428800.

The previous prime is 51773639. The next prime is 51773663. The reversal of 51773652 is 25637715.

It is a super-2 number, since 2×51773652² = 5361022082834208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7827 + ... + 12837.

Almost surely, 2^51773652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51773652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76623456).

51773652 is an abundant number, since it is smaller than the sum of its proper divisors (101473260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51773652 is a wasteful number, since it uses less digits than its factorization.

51773652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069 (or 5064 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 51773652 is about 7195.3910248158. The cubic root of 51773652 is about 372.7087597605.

It can be divided in two parts, 51773 and 652, that added together give a palindrome (52425).

The spelling of 51773652 in words is "fifty-one million, seven hundred seventy-three thousand, six hundred fifty-two".