53152668 has 18 divisors (see below), whose sum is σ = 134358224. Its totient is φ = 17717544.

The previous prime is 53152667. The next prime is 53152681. The reversal of 53152668 is 86625135.

53152668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×53152668² = 5650412231036448, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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: 1476463 = 53152668 / (5 + 3 + 1 + 5 + 2 + 6 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53152661) by changing a digit.

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, 738196 + ... + 738267.

Almost surely, 2^53152668 is an apocalyptic number.

It is an amenable number.

53152668 is an abundant number, since it is smaller than the sum of its proper divisors (81205556).

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

53152668 is a wasteful number, since it uses less digits than its factorization.

53152668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476473 (or 1476468 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 53152668 is about 7290.5876306372. The cubic root of 53152668 is about 375.9888992498.

The spelling of 53152668 in words is "fifty-three million, one hundred fifty-two thousand, six hundred sixty-eight".