51262788 has 24 divisors (see below), whose sum is σ = 120558592. Its totient is φ = 16952544.

The previous prime is 51262787. The next prime is 51262801. The reversal of 51262788 is 88726215.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (51262787) 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 in 7 ways as a sum of consecutive naturals, for example, 15295 + ... + 18342.

Almost surely, 2^51262788 is an apocalyptic number.

It is an amenable number.

51262788 is an abundant number, since it is smaller than the sum of its proper divisors (69295804).

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

51262788 is a wasteful number, since it uses less digits than its factorization.

51262788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33771 (or 33769 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 51262788 is about 7159.8036285921. The cubic root of 51262788 is about 371.4788343081.

The spelling of 51262788 in words is "fifty-one million, two hundred sixty-two thousand, seven hundred eighty-eight".