53311104 has 192 divisors, whose sum is σ = 191580480. Its totient is φ = 13824000.

The previous prime is 53311091. The next prime is 53311109. The reversal of 53311104 is 40111335.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-3 number, since 3×53311104³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (53311109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88404 + ... + 89004.

It is an arithmetic number, because the mean of its divisors is an integer number (997815).

Almost surely, 2^53311104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53311104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95790240).

53311104 is an abundant number, since it is smaller than the sum of its proper divisors (138269376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53311104 is a wasteful number, since it uses less digits than its factorization.

53311104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 53311104 is about 7301.4453363701. The cubic root of 53311104 is about 376.3621077761.

Adding to 53311104 its reverse (40111335), we get a palindrome (93422439).

The spelling of 53311104 in words is "fifty-three million, three hundred eleven thousand, one hundred four".