55162904 has 8 divisors (see below), whose sum is σ = 103430460. Its totient is φ = 27581448.

The previous prime is 55162897. The next prime is 55162907. The reversal of 55162904 is 40926155.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55162907) by changing a digit.

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, 3447674 + ... + 3447689.

Almost surely, 2^55162904 is an apocalyptic number.

It is an amenable number.

55162904 is a deficient number, since it is larger than the sum of its proper divisors (48267556).

55162904 is a wasteful number, since it uses less digits than its factorization.

55162904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6895369 (or 6895365 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 55162904 is about 7427.1733519556. The cubic root of 55162904 is about 380.6703403341.

The spelling of 55162904 in words is "fifty-five million, one hundred sixty-two thousand, nine hundred four".