1655550055 has 16 divisors (see below), whose sum is σ = 1999678464. Its totient is φ = 1315791360.

The previous prime is 1655550031. The next prime is 1655550073. The reversal of 1655550055 is 5500555561.

It is not a de Polignac number, because 1655550055 - 2⁵ = 1655550023 is a prime.

It is a super-2 number, since 2×1655550055² = 5481691969221006050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1655549996 and 1655550023.

It is a congruent number.

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, 528895 + ... + 532015.

It is an arithmetic number, because the mean of its divisors is an integer number (124979904).

Almost surely, 2^1655550055 is an apocalyptic number.

1655550055 is a deficient number, since it is larger than the sum of its proper divisors (344128409).

1655550055 is a wasteful number, since it uses less digits than its factorization.

1655550055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786.

The product of its (nonzero) digits is 93750, while the sum is 37.

The square root of 1655550055 is about 40688.4511255958. The cubic root of 1655550055 is about 1182.9891788085.

The spelling of 1655550055 in words is "one billion, six hundred fifty-five million, five hundred fifty thousand, fifty-five".