51534345 has 8 divisors (see below), whose sum is σ = 82454976. Its totient is φ = 27484976.

The previous prime is 51534319. The next prime is 51534347. The reversal of 51534345 is 54343515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51534345 - 2⁵ = 51534313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51534347) 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, 1717797 + ... + 1717826.

It is an arithmetic number, because the mean of its divisors is an integer number (10306872).

Almost surely, 2^51534345 is an apocalyptic number.

It is an amenable number.

51534345 is a deficient number, since it is larger than the sum of its proper divisors (30920631).

51534345 is a wasteful number, since it uses less digits than its factorization.

51534345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435631.

The product of its digits is 18000, while the sum is 30.

The square root of 51534345 is about 7178.7425779171. The cubic root of 51534345 is about 372.1336307401.

The spelling of 51534345 in words is "fifty-one million, five hundred thirty-four thousand, three hundred forty-five".