5555939904 has 224 divisors, whose sum is σ = 16678656000. Its totient is φ = 1813363200.

The previous prime is 5555939903. The next prime is 5555939951. The reversal of 5555939904 is 4099395555.

It is a happy number.

5555939904 is a `hidden beast` number, since 55 + 559 + 39 + 9 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (5555939903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27919197 + ... + 27919395.

Almost surely, 2^5555939904 is an apocalyptic number.

5555939904 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5555939904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8339328000).

5555939904 is an abundant number, since it is smaller than the sum of its proper divisors (11122716096).

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

5555939904 is a wasteful number, since it uses less digits than its factorization.

5555939904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 5467500, while the sum is 54.

The square root of 5555939904 is about 74538.1774931478. The cubic root of 5555939904 is about 1771.1384574793.

The spelling of 5555939904 in words is "five billion, five hundred fifty-five million, nine hundred thirty-nine thousand, nine hundred four".