51244203 has 8 divisors (see below), whose sum is σ = 68578816. Its totient is φ = 34036200.

The previous prime is 51244199. The next prime is 51244217. The reversal of 51244203 is 30244215.

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

It is not a de Polignac number, because 51244203 - 2² = 51244199 is a prime.

It is a super-2 number, since 2×51244203² = 5251936682210418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51244203.

It is not an unprimeable number, because it can be changed into a prime (51244243) 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, 30703 + ... + 32328.

It is an arithmetic number, because the mean of its divisors is an integer number (8572352).

Almost surely, 2^51244203 is an apocalyptic number.

51244203 is a deficient number, since it is larger than the sum of its proper divisors (17334613).

51244203 is a wasteful number, since it uses less digits than its factorization.

51244203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63305.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 51244203 is about 7158.5056401459. The cubic root of 51244203 is about 371.4339364469.

Adding to 51244203 its reverse (30244215), we get a palindrome (81488418).

The spelling of 51244203 in words is "fifty-one million, two hundred forty-four thousand, two hundred three".