51862245 has 16 divisors (see below), whose sum is σ = 83616192. Its totient is φ = 27447680.

The previous prime is 51862231. The next prime is 51862247. The reversal of 51862245 is 54226815.

It is not a de Polignac number, because 51862245 - 2¹¹ = 51860197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51862247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11232 + ... + 15161.

It is an arithmetic number, because the mean of its divisors is an integer number (5226012).

Almost surely, 2^51862245 is an apocalyptic number.

It is an amenable number.

51862245 is a deficient number, since it is larger than the sum of its proper divisors (31753947).

51862245 is a wasteful number, since it uses less digits than its factorization.

51862245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26532.

The product of its digits is 19200, while the sum is 33.

The square root of 51862245 is about 7201.5446259813. The cubic root of 51862245 is about 372.9212267197.

The spelling of 51862245 in words is "fifty-one million, eight hundred sixty-two thousand, two hundred forty-five".