51603151 has 8 divisors (see below), whose sum is σ = 53464320. Its totient is φ = 49747488.

The previous prime is 51603137. The next prime is 51603157. The reversal of 51603151 is 15130615.

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 51603151 - 2²³ = 43214543 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 (51603157) 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, 30705 + ... + 32341.

It is an arithmetic number, because the mean of its divisors is an integer number (6683040).

Almost surely, 2^51603151 is an apocalyptic number.

51603151 is a deficient number, since it is larger than the sum of its proper divisors (1861169).

51603151 is a wasteful number, since it uses less digits than its factorization.

51603151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 51603151 is about 7183.5333228155. The cubic root of 51603151 is about 372.2991749646.

Adding to 51603151 its reverse (15130615), we get a palindrome (66733766).

The spelling of 51603151 in words is "fifty-one million, six hundred three thousand, one hundred fifty-one".