51608501 has 8 divisors (see below), whose sum is σ = 59948544. Its totient is φ = 43510320.

The previous prime is 51608497. The next prime is 51608507. The reversal of 51608501 is 10580615.

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

It is not a de Polignac number, because 51608501 - 2² = 51608497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51608507) 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, 60005 + ... + 60858.

It is an arithmetic number, because the mean of its divisors is an integer number (7493568).

Almost surely, 2^51608501 is an apocalyptic number.

It is an amenable number.

51608501 is a deficient number, since it is larger than the sum of its proper divisors (8340043).

51608501 is a wasteful number, since it uses less digits than its factorization.

51608501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120931.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 51608501 is about 7183.9056925881. The cubic root of 51608501 is about 372.3120406632.

The spelling of 51608501 in words is "fifty-one million, six hundred eight thousand, five hundred one".