51203369 has 8 divisors (see below), whose sum is σ = 58869888. Its totient is φ = 43624800.

The previous prime is 51203363. The next prime is 51203387. The reversal of 51203369 is 96330215.

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 51203369 - 2¹² = 51199273 is a prime.

It is a super-2 number, since 2×51203369² = 5243569993900322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51203363) 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, 20732 + ... + 23069.

It is an arithmetic number, because the mean of its divisors is an integer number (7358736).

Almost surely, 2^51203369 is an apocalyptic number.

It is an amenable number.

51203369 is a deficient number, since it is larger than the sum of its proper divisors (7666519).

51203369 is a wasteful number, since it uses less digits than its factorization.

51203369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43975.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 51203369 is about 7155.6529401586. The cubic root of 51203369 is about 371.3352510483.

The spelling of 51203369 in words is "fifty-one million, two hundred three thousand, three hundred sixty-nine".