51126546 has 8 divisors (see below), whose sum is σ = 102253104. Its totient is φ = 17042180.

The previous prime is 51126521. The next prime is 51126547. The reversal of 51126546 is 64562115.

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

51126546 is an admirable number.

It is a super-2 number, since 2×51126546² = 5227847411780232, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51126547) 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, 4260540 + ... + 4260551.

It is an arithmetic number, because the mean of its divisors is an integer number (12781638).

Almost surely, 2^51126546 is an apocalyptic number.

51126546 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.

51126546 is a wasteful number, since it uses less digits than its factorization.

51126546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8521096.

The product of its digits is 7200, while the sum is 30.

The square root of 51126546 is about 7150.2829314650. The cubic root of 51126546 is about 371.1494470844.

The spelling of 51126546 in words is "fifty-one million, one hundred twenty-six thousand, five hundred forty-six".