51633486 has 12 divisors (see below), whose sum is σ = 111872592. Its totient is φ = 17211156.

The previous prime is 51633479. The next prime is 51633487. The reversal of 51633486 is 68433615.

It is a self number, because there is not a number n which added to its sum of digits gives 51633486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51633487) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1434246 + ... + 1434281.

It is an arithmetic number, because the mean of its divisors is an integer number (9322716).

Almost surely, 2^51633486 is an apocalyptic number.

51633486 is an abundant number, since it is smaller than the sum of its proper divisors (60239106).

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

51633486 is a wasteful number, since it uses less digits than its factorization.

51633486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868535 (or 2868532 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 51633486 is about 7185.6444387403. The cubic root of 51633486 is about 372.3721129084.

It can be divided in two parts, 5163 and 3486, that added together give a square (8649 = 93²).

The spelling of 51633486 in words is "fifty-one million, six hundred thirty-three thousand, four hundred eighty-six".