51926436 has 27 divisors (see below), whose sum is σ = 131367873. Its totient is φ = 17294400.

The previous prime is 51926419. The next prime is 51926461. The reversal of 51926436 is 63462915.

It is a happy number.

The square root of 51926436 is 7206.

It is a perfect power (a square), and thus also a powerful number.

51926436 is a `hidden beast` number, since 5 + 1 + 9 + 2 + 643 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 86436 + 51840000 = 294^2 + 7200^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 51926436.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 42636 + ... + 43836.

Almost surely, 2^51926436 is an apocalyptic number.

51926436 is the 7206-th square number.

It is an amenable number.

51926436 is an abundant number, since it is smaller than the sum of its proper divisors (79441437).

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

51926436 is a wasteful number, since it uses less digits than its factorization.

51926436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412 (or 1206 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The cubic root of 51926436 is about 373.0750207882.

Multiplying 51926436 by its sum of digits (36), we get a square (1869351696 = 43236²).

51926436 divided by its sum of digits (36) gives a square (1442401 = 1201²).

It can be divided in two parts, 5192 and 6436, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 51926436 in words is "fifty-one million, nine hundred twenty-six thousand, four hundred thirty-six".