51299202 has 64 divisors (see below), whose sum is σ = 114048000. Its totient is φ = 15317568.

The previous prime is 51299191. The next prime is 51299233. The reversal of 51299202 is 20299215.

It is a self number, because there is not a number n which added to its sum of digits gives 51299202.

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 31 ways as a sum of consecutive naturals, for example, 194923 + ... + 195185.

It is an arithmetic number, because the mean of its divisors is an integer number (1782000).

Almost surely, 2^51299202 is an apocalyptic number.

51299202 is an abundant number, since it is smaller than the sum of its proper divisors (62748798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51299202 is a wasteful number, since it uses less digits than its factorization.

51299202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 51299202 is about 7162.3461240015. The cubic root of 51299202 is about 371.5667722265.

The spelling of 51299202 in words is "fifty-one million, two hundred ninety-nine thousand, two hundred two".