51957148 has 6 divisors (see below), whose sum is σ = 90925016. Its totient is φ = 25978572.

The previous prime is 51957133. The next prime is 51957149. The reversal of 51957148 is 84175915.

It is a happy number.

51957148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51957148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51957149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6494640 + ... + 6494647.

Almost surely, 2^51957148 is an apocalyptic number.

It is an amenable number.

51957148 is a deficient number, since it is larger than the sum of its proper divisors (38967868).

51957148 is a wasteful number, since it uses less digits than its factorization.

51957148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12989291 (or 12989289 counting only the distinct ones).

The product of its digits is 50400, while the sum is 40.

The square root of 51957148 is about 7208.1306869396. The cubic root of 51957148 is about 373.1485582945.

The spelling of 51957148 in words is "fifty-one million, nine hundred fifty-seven thousand, one hundred forty-eight".