51426606 has 64 divisors (see below), whose sum is σ = 129231360. Its totient is φ = 13253760.

The previous prime is 51426577. The next prime is 51426611. The reversal of 51426606 is 60662415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72180 + ... + 72888.

It is an arithmetic number, because the mean of its divisors is an integer number (2019240).

Almost surely, 2^51426606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51426606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64615680).

51426606 is an abundant number, since it is smaller than the sum of its proper divisors (77804754).

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

51426606 is a wasteful number, since it uses less digits than its factorization.

51426606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 51426606 is about 7171.2346217370. The cubic root of 51426606 is about 371.8741191609.

It can be divided in two parts, 51 and 426606, that multiplied together give a triangular number (21756906 = T₆₅₉₆).

The spelling of 51426606 in words is "fifty-one million, four hundred twenty-six thousand, six hundred six".