51672202 has 8 divisors (see below), whose sum is σ = 79603236. Its totient is φ = 25137792.

The previous prime is 51672199. The next prime is 51672211. The reversal of 51672202 is 20227615.

It can be written as a sum of positive squares in 2 ways, for example, as 51108201 + 564001 = 7149^2 + 751^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 349063 + ... + 349210.

Almost surely, 2^51672202 is an apocalyptic number.

51672202 is a deficient number, since it is larger than the sum of its proper divisors (27931034).

51672202 is a wasteful number, since it uses less digits than its factorization.

51672202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698312.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 51672202 is about 7188.3379163754. The cubic root of 51672202 is about 372.4651607733.

Adding to 51672202 its reverse (20227615), we get a palindrome (71899817).

The spelling of 51672202 in words is "fifty-one million, six hundred seventy-two thousand, two hundred two".