3555535544 has 32 divisors (see below), whose sum is σ = 7316265600. Its totient is φ = 1606468320.

The previous prime is 3555535471. The next prime is 3555535547. The reversal of 3555535544 is 4455355553.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 3555535495 and 3555535504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3555535547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106274 + ... + 135665.

It is an arithmetic number, because the mean of its divisors is an integer number (228633300).

Almost surely, 2^3555535544 is an apocalyptic number.

It is an amenable number.

3555535544 is an abundant number, since it is smaller than the sum of its proper divisors (3760730056).

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

3555535544 is a wasteful number, since it uses less digits than its factorization.

3555535544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242123 (or 242119 counting only the distinct ones).

The product of its digits is 2250000, while the sum is 44.

The square root of 3555535544 is about 59628.3115977637. The cubic root of 3555535544 is about 1526.2827932933.

Subtracting 3555535544 from its reverse (4455355553), we obtain a square (899820009 = 29997²).

The spelling of 3555535544 in words is "three billion, five hundred fifty-five million, five hundred thirty-five thousand, five hundred forty-four".