51059601 has 12 divisors (see below), whose sum is σ = 73843380. Its totient is φ = 33997920.

The previous prime is 51059549. The next prime is 51059611. The reversal of 51059601 is 10695015.

51059601 is a `hidden beast` number, since 5 + 1 + 0 + 59 + 601 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 40947201 + 10112400 = 6399^2 + 3180^2 .

It is not a de Polignac number, because 51059601 - 2⁶ = 51059537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51059611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5455 + ... + 11483.

It is an arithmetic number, because the mean of its divisors is an integer number (6153615).

Almost surely, 2^51059601 is an apocalyptic number.

It is an amenable number.

51059601 is a deficient number, since it is larger than the sum of its proper divisors (22783779).

51059601 is a wasteful number, since it uses less digits than its factorization.

51059601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6976 (or 6973 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 51059601 is about 7145.6001147559. The cubic root of 51059601 is about 370.9873822064.

It can be divided in two parts, 5105 and 9601, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 51059601 in words is "fifty-one million, fifty-nine thousand, six hundred one".