53869145 has 8 divisors (see below), whose sum is σ = 70519680. Its totient is φ = 39177520.

The previous prime is 53869129. The next prime is 53869159. The reversal of 53869145 is 54196835.

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

It is not a de Polignac number, because 53869145 - 2⁴ = 53869129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489665 + ... + 489774.

It is an arithmetic number, because the mean of its divisors is an integer number (8814960).

Almost surely, 2^53869145 is an apocalyptic number.

53869145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53869145 is a deficient number, since it is larger than the sum of its proper divisors (16650535).

53869145 is a wasteful number, since it uses less digits than its factorization.

53869145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979455.

The product of its digits is 129600, while the sum is 41.

The square root of 53869145 is about 7339.5602729319. The cubic root of 53869145 is about 377.6707588215.

The spelling of 53869145 in words is "fifty-three million, eight hundred sixty-nine thousand, one hundred forty-five".