555610055616 has 672 divisors, whose sum is σ = 2163421632000. Its totient is φ = 135815823360.

The previous prime is 555610055573. The next prime is 555610055659. The reversal of 555610055616 is 616550016555.

It is an interprime number because it is at equal distance from previous prime (555610055573) and next prime (555610055659).

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-2 number, since 2×555610055616² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38445960 + ... + 38460408.

Almost surely, 2^555610055616 is an apocalyptic number.

555610055616 is a gapful number since it is divisible by the number (56) 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 555610055616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1081710816000).

555610055616 is an abundant number, since it is smaller than the sum of its proper divisors (1607811576384).

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

555610055616 is a wasteful number, since it uses less digits than its factorization.

555610055616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14522 (or 14489 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 555610055616 in words is "five hundred fifty-five billion, six hundred ten million, fifty-five thousand, six hundred sixteen".