51358988 has 6 divisors (see below), whose sum is σ = 89878236. Its totient is φ = 25679492.

The previous prime is 51358987. The next prime is 51358991. The reversal of 51358988 is 88985315.

51358988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51358981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6419870 + ... + 6419877.

It is an arithmetic number, because the mean of its divisors is an integer number (14979706).

Almost surely, 2^51358988 is an apocalyptic number.

It is an amenable number.

51358988 is a deficient number, since it is larger than the sum of its proper divisors (38519248).

51358988 is a wasteful number, since it uses less digits than its factorization.

51358988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12839751 (or 12839749 counting only the distinct ones).

The product of its digits is 345600, while the sum is 47.

The square root of 51358988 is about 7166.5185411049. The cubic root of 51358988 is about 371.7110621043.

The spelling of 51358988 in words is "fifty-one million, three hundred fifty-eight thousand, nine hundred eighty-eight".