51148 has 12 divisors (see below), whose sum is σ = 94360. Its totient is φ = 24192.

The previous prime is 51137. The next prime is 51151. The reversal of 51148 is 84115.

It is a super-2 number, since 2×51148² = 5232235808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a zygodrome in base 2.

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, 261 + ... + 412.

2⁵¹¹⁴⁸ is an apocalyptic number.

It is an amenable number.

51148 is a deficient number, since it is larger than the sum of its proper divisors (43212).

51148 is a wasteful number, since it uses less digits than its factorization.

51148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 694 counting only the distinct ones).

The product of its digits is 160, while the sum is 19.

The square root of 51148 is about 226.1592359379. The cubic root of 51148 is about 37.1201354409.

The spelling of 51148 in words is "fifty-one thousand, one hundred forty-eight".