51748955 has 8 divisors (see below), whose sum is σ = 62412000. Its totient is φ = 41190336.

The previous prime is 51748943. The next prime is 51748973. The reversal of 51748955 is 55984715.

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 51748955 - 2⁶ = 51748891 is a prime.

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, 25010 + ... + 26999.

It is an arithmetic number, because the mean of its divisors is an integer number (7801500).

Almost surely, 2^51748955 is an apocalyptic number.

51748955 is a deficient number, since it is larger than the sum of its proper divisors (10663045).

51748955 is a wasteful number, since it uses less digits than its factorization.

51748955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52213.

The product of its digits is 252000, while the sum is 44.

The square root of 51748955 is about 7193.6746520815. The cubic root of 51748955 is about 372.6494873192.

The spelling of 51748955 in words is "fifty-one million, seven hundred forty-eight thousand, nine hundred fifty-five".