55150186 has 48 divisors (see below), whose sum is σ = 105230664. Its totient is φ = 21482496.

The previous prime is 55150177. The next prime is 55150211. The reversal of 55150186 is 68105155.

It can be written as a sum of positive squares in 4 ways, for example, as 42653961 + 12496225 = 6531^2 + 3535^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92706 + ... + 93298.

Almost surely, 2^55150186 is an apocalyptic number.

55150186 is a deficient number, since it is larger than the sum of its proper divisors (50080478).

55150186 is a wasteful number, since it uses less digits than its factorization.

55150186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 31.

The square root of 55150186 is about 7426.3171222350. The cubic root of 55150186 is about 380.6410831272.

The spelling of 55150186 in words is "fifty-five million, one hundred fifty thousand, one hundred eighty-six".