51926004 has 72 divisors (see below), whose sum is σ = 142366952. Its totient is φ = 15863040.

The previous prime is 51925999. The next prime is 51926009. The reversal of 51926004 is 40062915.

51926004 is a `hidden beast` number, since 51 + 9 + 2 + 600 + 4 = 666.

51926004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51925999) and next prime (51926009).

It can be written as a sum of positive squares in 4 ways, for example, as 12236004 + 39690000 = 3498^2 + 6300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51926009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84402 + ... + 85014.

Almost surely, 2^51926004 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 51926004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71183476).

51926004 is an abundant number, since it is smaller than the sum of its proper divisors (90440948).

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

51926004 is a wasteful number, since it uses less digits than its factorization.

51926004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 51926004 is about 7205.9700249168. The cubic root of 51926004 is about 373.0739861908.

Adding to 51926004 its reverse (40062915), we get a palindrome (91988919).

The spelling of 51926004 in words is "fifty-one million, nine hundred twenty-six thousand, four".