51548953 has 4 divisors (see below), whose sum is σ = 51587200. Its totient is φ = 51510708.

The previous prime is 51548941. The next prime is 51548963. The reversal of 51548953 is 35984515.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51548953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51548923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17025 + ... + 19822.

It is an arithmetic number, because the mean of its divisors is an integer number (12896800).

Almost surely, 2^51548953 is an apocalyptic number.

It is an amenable number.

51548953 is a deficient number, since it is larger than the sum of its proper divisors (38247).

51548953 is a wasteful number, since it uses less digits than its factorization.

51548953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38246.

The product of its digits is 108000, while the sum is 40.

The square root of 51548953 is about 7179.7599542046. The cubic root of 51548953 is about 372.1687892641.

The spelling of 51548953 in words is "fifty-one million, five hundred forty-eight thousand, nine hundred fifty-three".