51545595 has 8 divisors (see below), whose sum is σ = 82472976. Its totient is φ = 27490976.

The previous prime is 51545587. The next prime is 51545597. The reversal of 51545595 is 59554515.

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 51545595 - 2³ = 51545587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51545597) 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, 1718172 + ... + 1718201.

It is an arithmetic number, because the mean of its divisors is an integer number (10309122).

Almost surely, 2^51545595 is an apocalyptic number.

51545595 is a deficient number, since it is larger than the sum of its proper divisors (30927381).

51545595 is a wasteful number, since it uses less digits than its factorization.

51545595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436381.

The product of its digits is 112500, while the sum is 39.

The square root of 51545595 is about 7179.5260985667. The cubic root of 51545595 is about 372.1607078201.

The spelling of 51545595 in words is "fifty-one million, five hundred forty-five thousand, five hundred ninety-five".