53516551044 has 24 divisors (see below), whose sum is σ = 136223948448. Its totient is φ = 16217136640.

The previous prime is 53516551003. The next prime is 53516551069. The reversal of 53516551044 is 44015561535.

53516551044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×53516551044⁴ (a number of 44 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53516550993 and 53516551011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202714077 + ... + 202714340.

It is an arithmetic number, because the mean of its divisors is an integer number (5675997852).

Almost surely, 2^53516551044 is an apocalyptic number.

It is an amenable number.

53516551044 is an abundant number, since it is smaller than the sum of its proper divisors (82707397404).

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

53516551044 is a wasteful number, since it uses less digits than its factorization.

53516551044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405428435 (or 405428433 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 53516551044 in words is "fifty-three billion, five hundred sixteen million, five hundred fifty-one thousand, forty-four".