53663346 has 24 divisors (see below), whose sum is σ = 126841104. Its totient is φ = 16261560.

The previous prime is 53663333. The next prime is 53663359. The reversal of 53663346 is 64336635.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53663333) and next prime (53663359).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53663346.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135316 + ... + 135711.

It is an arithmetic number, because the mean of its divisors is an integer number (5285046).

Almost surely, 2^53663346 is an apocalyptic number.

53663346 is an abundant number, since it is smaller than the sum of its proper divisors (73177758).

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

53663346 is a wasteful number, since it uses less digits than its factorization.

53663346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271046 (or 271043 counting only the distinct ones).

The product of its digits is 116640, while the sum is 36.

The square root of 53663346 is about 7325.5270117583. The cubic root of 53663346 is about 377.1892002034.

Subtracting 53663346 from its reverse (64336635), we obtain a square (10673289 = 3267²).

The spelling of 53663346 in words is "fifty-three million, six hundred sixty-three thousand, three hundred forty-six".