51020526 has 8 divisors (see below), whose sum is σ = 102041064. Its totient is φ = 17006840.

The previous prime is 51020507. The next prime is 51020527. The reversal of 51020526 is 62502015.

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

51020526 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51020527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4251705 + ... + 4251716.

It is an arithmetic number, because the mean of its divisors is an integer number (12755133).

Almost surely, 2^51020526 is an apocalyptic number.

51020526 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51020526 is a wasteful number, since it uses less digits than its factorization.

51020526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8503426.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 51020526 is about 7142.8653914238. The cubic root of 51020526 is about 370.8927213840.

The spelling of 51020526 in words is "fifty-one million, twenty thousand, five hundred twenty-six".