53769969 has 12 divisors (see below), whose sum is σ = 84728592. Its totient is φ = 32587800.

The previous prime is 53769967. The next prime is 53770009. The reversal of 53769969 is 96996735.

It is not a de Polignac number, because 53769969 - 2¹ = 53769967 is a prime.

It is a super-2 number, since 2×53769969² = 5782419132521922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53769967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271467 + ... + 271664.

It is an arithmetic number, because the mean of its divisors is an integer number (7060716).

Almost surely, 2^53769969 is an apocalyptic number.

It is an amenable number.

53769969 is a deficient number, since it is larger than the sum of its proper divisors (30958623).

53769969 is a wasteful number, since it uses less digits than its factorization.

53769969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543148 (or 543145 counting only the distinct ones).

The product of its digits is 2755620, while the sum is 54.

The square root of 53769969 is about 7332.8008973379. The cubic root of 53769969 is about 377.4388456994.

The spelling of 53769969 in words is "fifty-three million, seven hundred sixty-nine thousand, nine hundred sixty-nine".