51435486 has 20 divisors (see below), whose sum is σ = 115253952. Its totient is φ = 17145108.

The previous prime is 51435467. The next prime is 51435491. The reversal of 51435486 is 68453415.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51435486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 158590 + ... + 158913.

Almost surely, 2^51435486 is an apocalyptic number.

51435486 is an abundant number, since it is smaller than the sum of its proper divisors (63818466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51435486 is a wasteful number, since it uses less digits than its factorization.

51435486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317517 (or 317508 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 51435486 is about 7171.8537352626. The cubic root of 51435486 is about 371.8955221685.

The spelling of 51435486 in words is "fifty-one million, four hundred thirty-five thousand, four hundred eighty-six".