51053808 has 40 divisors (see below), whose sum is σ = 142036048. Its totient is φ = 15708672.

The previous prime is 51053789. The next prime is 51053809. The reversal of 51053808 is 80835015.

It is a happy number.

It is a super-2 number, since 2×51053808² = 5212982622601728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51053809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40285 + ... + 41532.

Almost surely, 2^51053808 is an apocalyptic number.

It is an amenable number.

51053808 is an abundant number, since it is smaller than the sum of its proper divisors (90982240).

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

51053808 is a wasteful number, since it uses less digits than its factorization.

51053808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81841 (or 81835 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 51053808 is about 7145.1947489204. The cubic root of 51053808 is about 370.9733514714.

The spelling of 51053808 in words is "fifty-one million, fifty-three thousand, eight hundred eight".