55166548 has 6 divisors (see below), whose sum is σ = 96541466. Its totient is φ = 27583272.

The previous prime is 55166543. The next prime is 55166567. The reversal of 55166548 is 84566155.

It can be written as a sum of positive squares in only one way, i.e., 50722884 + 4443664 = 7122^2 + 2108^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55166548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55166543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6895815 + ... + 6895822.

Almost surely, 2^55166548 is an apocalyptic number.

It is an amenable number.

55166548 is a deficient number, since it is larger than the sum of its proper divisors (41374918).

55166548 is a wasteful number, since it uses less digits than its factorization.

55166548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13791641 (or 13791639 counting only the distinct ones).

The product of its digits is 144000, while the sum is 40.

The square root of 55166548 is about 7427.4186633042. The cubic root of 55166548 is about 380.6787223691.

The spelling of 55166548 in words is "fifty-five million, one hundred sixty-six thousand, five hundred forty-eight".