51530541 has 16 divisors (see below), whose sum is σ = 70156800. Its totient is φ = 33633968.

The previous prime is 51530537. The next prime is 51530579. The reversal of 51530541 is 14503515.

It is a cyclic number.

It is not a de Polignac number, because 51530541 - 2² = 51530537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51534541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61000 + ... + 61838.

It is an arithmetic number, because the mean of its divisors is an integer number (4384800).

Almost surely, 2^51530541 is an apocalyptic number.

It is an amenable number.

51530541 is a deficient number, since it is larger than the sum of its proper divisors (18626259).

51530541 is a wasteful number, since it uses less digits than its factorization.

51530541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 51530541 is about 7178.4776241206. The cubic root of 51530541 is about 372.1244741853.

The spelling of 51530541 in words is "fifty-one million, five hundred thirty thousand, five hundred forty-one".