55123136 has 14 divisors (see below), whose sum is σ = 109385100. Its totient is φ = 27561536.

The previous prime is 55123121. The next prime is 55123141. The reversal of 55123136 is 63132155.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430586 + ... + 430713.

Almost surely, 2^55123136 is an apocalyptic number.

It is an amenable number.

55123136 is a deficient number, since it is larger than the sum of its proper divisors (54261964).

55123136 is an equidigital number, since it uses as much as digits as its factorization.

55123136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861311 (or 861301 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 55123136 is about 7424.4956731080. The cubic root of 55123136 is about 380.5788408159.

The spelling of 55123136 in words is "fifty-five million, one hundred twenty-three thousand, one hundred thirty-six".