51535366 has 4 divisors (see below), whose sum is σ = 77303052. Its totient is φ = 25767682.

The previous prime is 51535357. The next prime is 51535369. The reversal of 51535366 is 66353515.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51535369) 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 as a sum of consecutive naturals, namely, 12883840 + ... + 12883843.

It is an arithmetic number, because the mean of its divisors is an integer number (19325763).

Almost surely, 2^51535366 is an apocalyptic number.

51535366 is a deficient number, since it is larger than the sum of its proper divisors (25767686).

51535366 is a wasteful number, since it uses less digits than its factorization.

51535366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25767685.

The product of its digits is 40500, while the sum is 34.

The square root of 51535366 is about 7178.8136902973. The cubic root of 51535366 is about 372.1360882981.

The spelling of 51535366 in words is "fifty-one million, five hundred thirty-five thousand, three hundred sixty-six".