53629666 has 8 divisors (see below), whose sum is σ = 84678480. Its totient is φ = 25403508.

The previous prime is 53629633. The next prime is 53629699. The reversal of 53629666 is 66692635.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53629633) and next prime (53629699).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×53629666² = 5752282150543112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705616 + ... + 705691.

It is an arithmetic number, because the mean of its divisors is an integer number (10584810).

Almost surely, 2^53629666 is an apocalyptic number.

53629666 is a deficient number, since it is larger than the sum of its proper divisors (31048814).

53629666 is a wasteful number, since it uses less digits than its factorization.

53629666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411328.

The product of its digits is 349920, while the sum is 43.

The square root of 53629666 is about 7323.2278402355. The cubic root of 53629666 is about 377.1102736373.

The spelling of 53629666 in words is "fifty-three million, six hundred twenty-nine thousand, six hundred sixty-six".