53841551 has 4 divisors (see below), whose sum is σ = 56182512. Its totient is φ = 51500592.

The previous prime is 53841539. The next prime is 53841559. The reversal of 53841551 is 15514835.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53841551 is a prime.

It is a super-2 number, since 2×53841551² = 5797825228171202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53841559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170446 + ... + 1170491.

It is an arithmetic number, because the mean of its divisors is an integer number (14045628).

Almost surely, 2^53841551 is an apocalyptic number.

53841551 is a deficient number, since it is larger than the sum of its proper divisors (2340961).

53841551 is a wasteful number, since it uses less digits than its factorization.

53841551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340960.

The product of its digits is 12000, while the sum is 32.

The square root of 53841551 is about 7337.6802192519. The cubic root of 53841551 is about 377.6062616228.

The spelling of 53841551 in words is "fifty-three million, eight hundred forty-one thousand, five hundred fifty-one".