55156232 has 8 divisors (see below), whose sum is σ = 103417950. Its totient is φ = 27578112.

The previous prime is 55156219. The next prime is 55156267. The reversal of 55156232 is 23265155.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30096196 + 25060036 = 5486^2 + 5006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 55156195 and 55156204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3447257 + ... + 3447272.

Almost surely, 2^55156232 is an apocalyptic number.

It is an amenable number.

55156232 is a deficient number, since it is larger than the sum of its proper divisors (48261718).

55156232 is a wasteful number, since it uses less digits than its factorization.

55156232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6894535 (or 6894531 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 55156232 is about 7426.7241769168. The cubic root of 55156232 is about 380.6549922486.

The spelling of 55156232 in words is "fifty-five million, one hundred fifty-six thousand, two hundred thirty-two".