53551453004 has 72 divisors (see below), whose sum is σ = 113080092048. Its totient is φ = 22109552640.

The previous prime is 53551453001. The next prime is 53551453027. The reversal of 53551453004 is 40035415535.

It is not an unprimeable number, because it can be changed into a prime (53551453001) 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, 571724 + ... + 658764.

It is an arithmetic number, because the mean of its divisors is an integer number (1570556834).

Almost surely, 2^53551453004 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 53551453004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56540046024).

53551453004 is an abundant number, since it is smaller than the sum of its proper divisors (59528639044).

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

53551453004 is a wasteful number, since it uses less digits than its factorization.

53551453004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87175 (or 87166 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 53551453004 its reverse (40035415535), we get a palindrome (93586868539).

The spelling of 53551453004 in words is "fifty-three billion, five hundred fifty-one million, four hundred fifty-three thousand, four".