51552202 has 16 divisors (see below), whose sum is σ = 84139272. Its totient is φ = 23546880.

The previous prime is 51552191. The next prime is 51552217. The reversal of 51552202 is 20225515.

It can be written as a sum of positive squares in 4 ways, for example, as 42784681 + 8767521 = 6541^2 + 2961^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7699 + ... + 12742.

Almost surely, 2^51552202 is an apocalyptic number.

51552202 is a deficient number, since it is larger than the sum of its proper divisors (32587070).

51552202 is a wasteful number, since it uses less digits than its factorization.

51552202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20553.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 51552202 is about 7179.9862116859. The cubic root of 51552202 is about 372.1766080520.

Adding to 51552202 its reverse (20225515), we get a palindrome (71777717).

The spelling of 51552202 in words is "fifty-one million, five hundred fifty-two thousand, two hundred two".