544155544 has 8 divisors (see below), whose sum is σ = 1020291660. Its totient is φ = 272077768.

The previous prime is 544155539. The next prime is 544155569. The reversal of 544155544 is 445551445.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×544155544² = 592210512131871872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34009714 + ... + 34009729.

Almost surely, 2^544155544 is an apocalyptic number.

It is an amenable number.

544155544 is a deficient number, since it is larger than the sum of its proper divisors (476136116).

544155544 is a wasteful number, since it uses less digits than its factorization.

544155544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68019449 (or 68019445 counting only the distinct ones).

The product of its digits is 160000, while the sum is 37.

The square root of 544155544 is about 23327.1417880545. The cubic root of 544155544 is about 816.4088165184.

The spelling of 544155544 in words is "five hundred forty-four million, one hundred fifty-five thousand, five hundred forty-four".