55125123 has 8 divisors (see below), whose sum is σ = 73573200. Its totient is φ = 36713568.

The previous prime is 55125113. The next prime is 55125139. The reversal of 55125123 is 32152155.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55125123 - 2¹³ = 55116931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55125093 and 55125102.

It is not an unprimeable number, because it can be changed into a prime (55125113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5388 + ... + 11801.

It is an arithmetic number, because the mean of its divisors is an integer number (9196650).

Almost surely, 2^55125123 is an apocalyptic number.

55125123 is a deficient number, since it is larger than the sum of its proper divisors (18448077).

55125123 is a wasteful number, since it uses less digits than its factorization.

55125123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18261.

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

The square root of 55125123 is about 7424.6294857050. The cubic root of 55125123 is about 380.5834136149.

Adding to 55125123 its reverse (32152155), we get a palindrome (87277278).

The spelling of 55125123 in words is "fifty-five million, one hundred twenty-five thousand, one hundred twenty-three".