51607995 has 8 divisors (see below), whose sum is σ = 82572816. Its totient is φ = 27524256.

The previous prime is 51607993. The next prime is 51607999. The reversal of 51607995 is 59970615.

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

It is not a de Polignac number, because 51607995 - 2¹ = 51607993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51607991) 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, 1720252 + ... + 1720281.

It is an arithmetic number, because the mean of its divisors is an integer number (10321602).

Almost surely, 2^51607995 is an apocalyptic number.

51607995 is a deficient number, since it is larger than the sum of its proper divisors (30964821).

51607995 is a wasteful number, since it uses less digits than its factorization.

51607995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440541.

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 51607995 is about 7183.8704748903. The cubic root of 51607995 is about 372.3108238707.

The spelling of 51607995 in words is "fifty-one million, six hundred seven thousand, nine hundred ninety-five".