51228536 has 16 divisors (see below), whose sum is σ = 96162000. Its totient is φ = 25585344.

The previous prime is 51228533. The next prime is 51228563. The reversal of 51228536 is 63582215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51228533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5165 + ... + 11363.

It is an arithmetic number, because the mean of its divisors is an integer number (6010125).

Almost surely, 2^51228536 is an apocalyptic number.

It is an amenable number.

51228536 is a deficient number, since it is larger than the sum of its proper divisors (44933464).

51228536 is a wasteful number, since it uses less digits than its factorization.

51228536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238 (or 7234 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 51228536 is about 7157.4112638579. The cubic root of 51228536 is about 371.3960794908.

The spelling of 51228536 in words is "fifty-one million, two hundred twenty-eight thousand, five hundred thirty-six".