53313551 has 8 divisors (see below), whose sum is σ = 53844480. Its totient is φ = 52785432.

The previous prime is 53313523. The next prime is 53313553. The reversal of 53313551 is 15531335.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53313551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53313551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53313553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61346 + ... + 62208.

It is an arithmetic number, because the mean of its divisors is an integer number (6730560).

Almost surely, 2^53313551 is an apocalyptic number.

53313551 is a deficient number, since it is larger than the sum of its proper divisors (530929).

53313551 is a wasteful number, since it uses less digits than its factorization.

53313551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405.

The product of its digits is 3375, while the sum is 26.

The square root of 53313551 is about 7301.6129040096. The cubic root of 53313551 is about 376.3678660761.

Adding to 53313551 its reverse (15531335), we get a palindrome (68844886).

The spelling of 53313551 in words is "fifty-three million, three hundred thirteen thousand, five hundred fifty-one".