53440503004 has 48 divisors (see below), whose sum is σ = 107631659520. Its totient is φ = 22742504640.

The previous prime is 53440502989. The next prime is 53440503019. The reversal of 53440503004 is 40030504435.

It is an interprime number because it is at equal distance from previous prime (53440502989) and next prime (53440503019).

It is a super-2 number, since 2×53440503004² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4993299 + ... + 5003989.

It is an arithmetic number, because the mean of its divisors is an integer number (2242326240).

Almost surely, 2^53440503004 is an apocalyptic number.

It is an amenable number.

53440503004 is an abundant number, since it is smaller than the sum of its proper divisors (54191156516).

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

53440503004 is a wasteful number, since it uses less digits than its factorization.

53440503004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11938 (or 11936 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The spelling of 53440503004 in words is "fifty-three billion, four hundred forty million, five hundred three thousand, four".