51667522 has 16 divisors (see below), whose sum is σ = 85629312. Its totient is φ = 23256640.

The previous prime is 51667507. The next prime is 51667529. The reversal of 51667522 is 22576615.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (51667529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32254 + ... + 33817.

It is an arithmetic number, because the mean of its divisors is an integer number (5351832).

Almost surely, 2^51667522 is an apocalyptic number.

51667522 is a deficient number, since it is larger than the sum of its proper divisors (33961790).

51667522 is a wasteful number, since it uses less digits than its factorization.

51667522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66113.

The product of its digits is 25200, while the sum is 34.

The square root of 51667522 is about 7188.0123817367. The cubic root of 51667522 is about 372.4539155937.

The spelling of 51667522 in words is "fifty-one million, six hundred sixty-seven thousand, five hundred twenty-two".