51544106 has 4 divisors (see below), whose sum is σ = 77316162. Its totient is φ = 25772052.

The previous prime is 51544091. The next prime is 51544109. The reversal of 51544106 is 60144515.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49126081 + 2418025 = 7009^2 + 1555^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51544109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12886025 + ... + 12886028.

Almost surely, 2^51544106 is an apocalyptic number.

51544106 is a deficient number, since it is larger than the sum of its proper divisors (25772056).

51544106 is a wasteful number, since it uses less digits than its factorization.

51544106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25772055.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 51544106 is about 7179.4224001656. The cubic root of 51544106 is about 372.1571242443.

The spelling of 51544106 in words is "fifty-one million, five hundred forty-four thousand, one hundred six".