51552303 has 8 divisors (see below), whose sum is σ = 74985216. Its totient is φ = 31243800.

The previous prime is 51552217. The next prime is 51552317. The reversal of 51552303 is 30325515.

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

It is not a de Polignac number, because 51552303 - 2¹⁸ = 51290159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51552323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781063 + ... + 781128.

It is an arithmetic number, because the mean of its divisors is an integer number (9373152).

Almost surely, 2^51552303 is an apocalyptic number.

51552303 is a deficient number, since it is larger than the sum of its proper divisors (23432913).

51552303 is a wasteful number, since it uses less digits than its factorization.

51552303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562205.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 51552303 is about 7179.9932451222. The cubic root of 51552303 is about 372.1768511054.

Adding to 51552303 its reverse (30325515), we get a palindrome (81877818).

The spelling of 51552303 in words is "fifty-one million, five hundred fifty-two thousand, three hundred three".