51537105 has 12 divisors (see below), whose sum is σ = 89331060. Its totient is φ = 27486432.

The previous prime is 51537067. The next prime is 51537113. The reversal of 51537105 is 50173515.

It can be written as a sum of positive squares in 2 ways, for example, as 5934096 + 45603009 = 2436^2 + 6753^2 .

It is not a de Polignac number, because 51537105 - 2⁹ = 51536593 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 572590 + ... + 572679.

It is an arithmetic number, because the mean of its divisors is an integer number (7444255).

Almost surely, 2^51537105 is an apocalyptic number.

It is an amenable number.

51537105 is a deficient number, since it is larger than the sum of its proper divisors (37793955).

51537105 is a wasteful number, since it uses less digits than its factorization.

51537105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145280 (or 1145277 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 27.

The square root of 51537105 is about 7178.9348095661. The cubic root of 51537105 is about 372.1402740151.

The spelling of 51537105 in words is "fifty-one million, five hundred thirty-seven thousand, one hundred five".