51184880 has 40 divisors (see below), whose sum is σ = 121545792. Its totient is φ = 20036864.

The previous prime is 51184877. The next prime is 51184883. The reversal of 51184880 is 8848115.

It is an interprime number because it is at equal distance from previous prime (51184877) and next prime (51184883).

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×51184880² = 5239783881228800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51184880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51184883) 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, 3047 + ... + 10566.

Almost surely, 2^51184880 is an apocalyptic number.

It is an amenable number.

51184880 is an abundant number, since it is smaller than the sum of its proper divisors (70360912).

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

51184880 is a wasteful number, since it uses less digits than its factorization.

51184880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13673 (or 13667 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 35.

The square root of 51184880 is about 7154.3609078659. The cubic root of 51184880 is about 371.2905505782.

The spelling of 51184880 in words is "fifty-one million, one hundred eighty-four thousand, eight hundred eighty".