51552235 has 16 divisors (see below), whose sum is σ = 71672256. Its totient is φ = 34864128.

The previous prime is 51552217. The next prime is 51552317. The reversal of 51552235 is 53225515.

It is a cyclic number.

It is not a de Polignac number, because 51552235 - 2⁷ = 51552107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7534 + ... + 12643.

It is an arithmetic number, because the mean of its divisors is an integer number (4479516).

Almost surely, 2^51552235 is an apocalyptic number.

51552235 is a deficient number, since it is larger than the sum of its proper divisors (20120021).

51552235 is a wasteful number, since it uses less digits than its factorization.

51552235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20262.

The product of its digits is 7500, while the sum is 28.

The square root of 51552235 is about 7179.9885097401. The cubic root of 51552235 is about 372.1766874655.

The spelling of 51552235 in words is "fifty-one million, five hundred fifty-two thousand, two hundred thirty-five".