51948623 has 2 divisors, whose sum is σ = 51948624. Its totient is φ = 51948622.

The previous prime is 51948577. The next prime is 51948661. The reversal of 51948623 is 32684915.

It is a happy number.

51948623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (51948661) can be obtained adding 51948623 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51948623 - 2¹⁴ = 51932239 is a prime.

It is a super-2 number, since 2×51948623² = 5397318863192258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51948683) 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, 25974311 + 25974312.

It is an arithmetic number, because the mean of its divisors is an integer number (25974312).

Almost surely, 2^51948623 is an apocalyptic number.

51948623 is a deficient number, since it is larger than the sum of its proper divisors (1).

51948623 is an equidigital number, since it uses as much as digits as its factorization.

51948623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 51948623 is about 7207.5393165768. The cubic root of 51948623 is about 373.1281487482.

The spelling of 51948623 in words is "fifty-one million, nine hundred forty-eight thousand, six hundred twenty-three".