51353486 has 4 divisors (see below), whose sum is σ = 77030232. Its totient is φ = 25676742.

The previous prime is 51353459. The next prime is 51353507. The reversal of 51353486 is 68435315.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12838370 + ... + 12838373.

It is an arithmetic number, because the mean of its divisors is an integer number (19257558).

Almost surely, 2^51353486 is an apocalyptic number.

51353486 is a deficient number, since it is larger than the sum of its proper divisors (25676746).

51353486 is a wasteful number, since it uses less digits than its factorization.

51353486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25676745.

The product of its digits is 43200, while the sum is 35.

The square root of 51353486 is about 7166.1346624244. The cubic root of 51353486 is about 371.6977880415.

The spelling of 51353486 in words is "fifty-one million, three hundred fifty-three thousand, four hundred eighty-six".