53113551 has 8 divisors (see below), whose sum is σ = 70861440. Its totient is φ = 35387352.

The previous prime is 53113547. The next prime is 53113591. The reversal of 53113551 is 15531135.

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

It is not a de Polignac number, because 53113551 - 2² = 53113547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53113591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1590 + ... + 10428.

It is an arithmetic number, because the mean of its divisors is an integer number (8857680).

Almost surely, 2^53113551 is an apocalyptic number.

53113551 is a deficient number, since it is larger than the sum of its proper divisors (17747889).

53113551 is a wasteful number, since it uses less digits than its factorization.

53113551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10845.

The product of its digits is 1125, while the sum is 24.

The square root of 53113551 is about 7287.9044313163. The cubic root of 53113551 is about 375.8966419355.

Adding to 53113551 its reverse (15531135), we get a palindrome (68644686).

The spelling of 53113551 in words is "fifty-three million, one hundred thirteen thousand, five hundred fifty-one".