51180552 has 32 divisors (see below), whose sum is σ = 142168800. Its totient is φ = 17060112.

The previous prime is 51180541. The next prime is 51180581. The reversal of 51180552 is 25508115.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118258 + ... + 118689.

It is an arithmetic number, because the mean of its divisors is an integer number (4442775).

Almost surely, 2^51180552 is an apocalyptic number.

It is an amenable number.

51180552 is an abundant number, since it is smaller than the sum of its proper divisors (90988248).

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

51180552 is a wasteful number, since it uses less digits than its factorization.

51180552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236962 (or 236952 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 51180552 is about 7154.0584286124. The cubic root of 51180552 is about 371.2800853080.

Adding to 51180552 its reverse (25508115), we get a palindrome (76688667).

The spelling of 51180552 in words is "fifty-one million, one hundred eighty thousand, five hundred fifty-two".