53511301404 has 192 divisors, whose sum is σ = 160812449280. Its totient is φ = 15207920640.

The previous prime is 53511301309. The next prime is 53511301411. The reversal of 53511301404 is 40410311535.

It is a happy number.

53511301404 is a `hidden beast` number, since 5 + 3 + 511 + 3 + 0 + 140 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5912907 + ... + 5921949.

It is an arithmetic number, because the mean of its divisors is an integer number (837564840).

Almost surely, 2^53511301404 is an apocalyptic number.

53511301404 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53511301404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80406224640).

53511301404 is an abundant number, since it is smaller than the sum of its proper divisors (107301147876).

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

53511301404 is a wasteful number, since it uses less digits than its factorization.

53511301404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9377 (or 9369 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 53511301404 its reverse (40410311535), we get a palindrome (93921612939).

The spelling of 53511301404 in words is "fifty-three billion, five hundred eleven million, three hundred one thousand, four hundred four".