51554434 has 8 divisors (see below), whose sum is σ = 77394240. Its totient is φ = 25756356.

The previous prime is 51554417. The next prime is 51554443. The reversal of 51554434 is 43445515.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 51554396 and 51554405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7134 + ... + 12409.

It is an arithmetic number, because the mean of its divisors is an integer number (9674280).

Almost surely, 2^51554434 is an apocalyptic number.

51554434 is a deficient number, since it is larger than the sum of its proper divisors (25839806).

51554434 is a wasteful number, since it uses less digits than its factorization.

51554434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20864.

The product of its digits is 24000, while the sum is 31.

The square root of 51554434 is about 7180.1416420569. The cubic root of 51554434 is about 372.1819792173.

Adding to 51554434 its reverse (43445515), we get a palindrome (94999949).

The spelling of 51554434 in words is "fifty-one million, five hundred fifty-four thousand, four hundred thirty-four".