51373955 has 8 divisors (see below), whose sum is σ = 62694000. Its totient is φ = 40402336.

The previous prime is 51373939. The next prime is 51373997. The reversal of 51373955 is 55937315.

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

It is a cyclic number.

It is not a de Polignac number, because 51373955 - 2⁴ = 51373939 is a prime.

It is a zygodrome in base 2.

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, 86780 + ... + 87369.

It is an arithmetic number, because the mean of its divisors is an integer number (7836750).

Almost surely, 2^51373955 is an apocalyptic number.

51373955 is a deficient number, since it is larger than the sum of its proper divisors (11320045).

51373955 is a wasteful number, since it uses less digits than its factorization.

51373955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174213.

The product of its digits is 70875, while the sum is 38.

The square root of 51373955 is about 7167.5626959239. The cubic root of 51373955 is about 371.7471665224.

The spelling of 51373955 in words is "fifty-one million, three hundred seventy-three thousand, nine hundred fifty-five".