51552123 has 16 divisors (see below), whose sum is σ = 78781440. Its totient is φ = 29373696.

The previous prime is 51552107. The next prime is 51552133. The reversal of 51552123 is 32125515.

It is a happy number.

It is not a de Polignac number, because 51552123 - 2⁴ = 51552107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51552093 and 51552102.

It is not an unprimeable number, because it can be changed into a prime (51552103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4363 + ... + 11051.

It is an arithmetic number, because the mean of its divisors is an integer number (4923840).

Almost surely, 2^51552123 is an apocalyptic number.

51552123 is a deficient number, since it is larger than the sum of its proper divisors (27229317).

51552123 is a wasteful number, since it uses less digits than its factorization.

51552123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7066.

The product of its digits is 1500, while the sum is 24.

The square root of 51552123 is about 7179.9807102805. The cubic root of 51552123 is about 372.1764179407.

Adding to 51552123 its reverse (32125515), we get a palindrome (83677638).

The spelling of 51552123 in words is "fifty-one million, five hundred fifty-two thousand, one hundred twenty-three".