53666154 has 12 divisors (see below), whose sum is σ = 116276706. Its totient is φ = 17888712.

The previous prime is 53666141. The next prime is 53666167. The reversal of 53666154 is 45166635.

53666154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53666141) and next prime (53666167).

It can be written as a sum of positive squares in only one way, i.e., 32182929 + 21483225 = 5673^2 + 4635^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1490709 + ... + 1490744.

Almost surely, 2^53666154 is an apocalyptic number.

53666154 is an abundant number, since it is smaller than the sum of its proper divisors (62610552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53666154 is a wasteful number, since it uses less digits than its factorization.

53666154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981461 (or 2981458 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 53666154 is about 7325.7186678168. The cubic root of 53666154 is about 377.1957790503.

The spelling of 53666154 in words is "fifty-three million, six hundred sixty-six thousand, one hundred fifty-four".