51264206 has 16 divisors (see below), whose sum is σ = 88995840. Its totient is φ = 21691800.

The previous prime is 51264193. The next prime is 51264211. The reversal of 51264206 is 60246215.

It is a congruent number.

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, 22070 + ... + 24281.

It is an arithmetic number, because the mean of its divisors is an integer number (5562240).

Almost surely, 2^51264206 is an apocalyptic number.

51264206 is a deficient number, since it is larger than the sum of its proper divisors (37731634).

51264206 is a wasteful number, since it uses less digits than its factorization.

51264206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46439.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 51264206 is about 7159.9026529695. The cubic root of 51264206 is about 371.4822594836.

Subtracting 51264206 from its reverse (60246215), we obtain a square (8982009 = 2997²).

The spelling of 51264206 in words is "fifty-one million, two hundred sixty-four thousand, two hundred six".