53861364 has 18 divisors (see below), whose sum is σ = 136149650. Its totient is φ = 17953776.

The previous prime is 53861351. The next prime is 53861407. The reversal of 53861364 is 46316835.

53861364 is a `hidden beast` number, since 5 + 38 + 613 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 51236964 + 2624400 = 7158^2 + 1620^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1496149 = 53861364 / (5 + 3 + 8 + 6 + 1 + 3 + 6 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 748039 + ... + 748110.

Almost surely, 2^53861364 is an apocalyptic number.

It is an amenable number.

53861364 is an abundant number, since it is smaller than the sum of its proper divisors (82288286).

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

53861364 is a wasteful number, since it uses less digits than its factorization.

53861364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496159 (or 1496154 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 53861364 is about 7339.0301811615. The cubic root of 53861364 is about 377.6525740290.

The spelling of 53861364 in words is "fifty-three million, eight hundred sixty-one thousand, three hundred sixty-four".