51446125 has 8 divisors (see below), whose sum is σ = 64204920. Its totient is φ = 41156800.

The previous prime is 51446123. The next prime is 51446137. The reversal of 51446125 is 52164415.

It can be written as a sum of positive squares in 4 ways, for example, as 5396329 + 46049796 = 2323^2 + 6786^2 .

It is not a de Polignac number, because 51446125 - 2¹ = 51446123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51446093 and 51446102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51446123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205660 + ... + 205909.

It is an arithmetic number, because the mean of its divisors is an integer number (8025615).

Almost surely, 2^51446125 is an apocalyptic number.

It is an amenable number.

51446125 is a deficient number, since it is larger than the sum of its proper divisors (12758795).

51446125 is an equidigital number, since it uses as much as digits as its factorization.

51446125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411584 (or 411574 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 51446125 is about 7172.5954158868. The cubic root of 51446125 is about 371.9211615601.

The spelling of 51446125 in words is "fifty-one million, four hundred forty-six thousand, one hundred twenty-five".