51354988 has 6 divisors (see below), whose sum is σ = 89871236. Its totient is φ = 25677492.

The previous prime is 51354983. The next prime is 51354991. The reversal of 51354988 is 88945315.

It is not an unprimeable number, because it can be changed into a prime (51354983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6419370 + ... + 6419377.

Almost surely, 2^51354988 is an apocalyptic number.

It is an amenable number.

51354988 is a deficient number, since it is larger than the sum of its proper divisors (38516248).

51354988 is a wasteful number, since it uses less digits than its factorization.

51354988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12838751 (or 12838749 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The square root of 51354988 is about 7166.2394601353. The cubic root of 51354988 is about 371.7014118438.

The spelling of 51354988 in words is "fifty-one million, three hundred fifty-four thousand, nine hundred eighty-eight".