51926520 has 32 divisors (see below), whose sum is σ = 155779920. Its totient is φ = 13847040.

The previous prime is 51926513. The next prime is 51926527. The reversal of 51926520 is 2562915.

It is a happy number.

51926520 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 (51926513) and next prime (51926527).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51926527) 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 7 ways as a sum of consecutive naturals, for example, 216241 + ... + 216480.

Almost surely, 2^51926520 is an apocalyptic number.

It is an amenable number.

51926520 is an abundant number, since it is smaller than the sum of its proper divisors (103853400).

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

51926520 is a wasteful number, since it uses less digits than its factorization.

51926520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432735 (or 432731 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 51926520 is about 7206.0058284739. The cubic root of 51926520 is about 373.0752219592.

The spelling of 51926520 in words is "fifty-one million, nine hundred twenty-six thousand, five hundred twenty".