55056123 has 12 divisors (see below), whose sum is σ = 82268160. Its totient is φ = 35438256.

The previous prime is 55056121. The next prime is 55056137. The reversal of 55056123 is 32165055.

It is not a de Polignac number, because 55056123 - 2¹ = 55056121 is a prime.

It is a super-2 number, since 2×55056123² = 6062353359582258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55056121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105211 + ... + 105732.

It is an arithmetic number, because the mean of its divisors is an integer number (6855680).

Almost surely, 2^55056123 is an apocalyptic number.

55056123 is a deficient number, since it is larger than the sum of its proper divisors (27212037).

55056123 is a wasteful number, since it uses less digits than its factorization.

55056123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210978 (or 210975 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 55056123 is about 7419.9813342083. The cubic root of 55056123 is about 380.4245554974.

It can be divided in two parts, 5505 and 6123, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 55056123 in words is "fifty-five million, fifty-six thousand, one hundred twenty-three".