5555053644 has 48 divisors (see below), whose sum is σ = 14817551616. Its totient is φ = 1586721600.

The previous prime is 5555053627. The next prime is 5555053661. The reversal of 5555053644 is 4463505555.

It is an interprime number because it is at equal distance from previous prime (5555053627) and next prime (5555053661).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 5555053596 and 5555053605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415179 + ... + 428349.

It is an arithmetic number, because the mean of its divisors is an integer number (308698992).

Almost surely, 2^5555053644 is an apocalyptic number.

It is an amenable number.

5555053644 is an abundant number, since it is smaller than the sum of its proper divisors (9262497972).

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

5555053644 is a wasteful number, since it uses less digits than its factorization.

5555053644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18206 (or 18204 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 42.

The square root of 5555053644 is about 74532.2322488734. The cubic root of 5555053644 is about 1771.0442776365.

The spelling of 5555053644 in words is "five billion, five hundred fifty-five million, fifty-three thousand, six hundred forty-four".