53185400030 has 16 divisors (see below), whose sum is σ = 109409965920. Its totient is φ = 18234994272.

The previous prime is 53185399999. The next prime is 53185400033. The reversal of 53185400030 is 3000458135.

It is a super-2 number, since 2×53185400030² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53185399966 and 53185400002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53185400033) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 379895645 + ... + 379895784.

It is an arithmetic number, because the mean of its divisors is an integer number (6838122870).

Almost surely, 2^53185400030 is an apocalyptic number.

53185400030 is an abundant number, since it is smaller than the sum of its proper divisors (56224565890).

53185400030 is a wasteful number, since it uses less digits than its factorization.

53185400030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759791443.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 53185400030 its reverse (3000458135), we get a palindrome (56185858165).

The spelling of 53185400030 in words is "fifty-three billion, one hundred eighty-five million, four hundred thousand, thirty".