53469866 has 4 divisors (see below), whose sum is σ = 80204802. Its totient is φ = 26734932.

The previous prime is 53469853. The next prime is 53469869. The reversal of 53469866 is 66896435.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36421225 + 17048641 = 6035^2 + 4129^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53469866.

It is not an unprimeable number, because it can be changed into a prime (53469869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13367465 + ... + 13367468.

Almost surely, 2^53469866 is an apocalyptic number.

53469866 is a deficient number, since it is larger than the sum of its proper divisors (26734936).

53469866 is a wasteful number, since it uses less digits than its factorization.

53469866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26734935.

The product of its digits is 933120, while the sum is 47.

The square root of 53469866 is about 7312.3092111863. The cubic root of 53469866 is about 376.7353432438.

The spelling of 53469866 in words is "fifty-three million, four hundred sixty-nine thousand, eight hundred sixty-six".