51483207 has 32 divisors (see below), whose sum is σ = 73656000. Its totient is φ = 31933440.

The previous prime is 51483203. The next prime is 51483221. The reversal of 51483207 is 70238415.

It is not a de Polignac number, because 51483207 - 2² = 51483203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51483203) by changing a digit.

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, 472269 + ... + 472377.

It is an arithmetic number, because the mean of its divisors is an integer number (2301750).

Almost surely, 2^51483207 is an apocalyptic number.

51483207 is a deficient number, since it is larger than the sum of its proper divisors (22172793).

51483207 is a wasteful number, since it uses less digits than its factorization.

51483207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 51483207 is about 7175.1799280576. The cubic root of 51483207 is about 372.0104994724.

The spelling of 51483207 in words is "fifty-one million, four hundred eighty-three thousand, two hundred seven".