1655056543 has 8 divisors (see below), whose sum is σ = 1931738112. Its totient is φ = 1388436216.

The previous prime is 1655056531. The next prime is 1655056547. The reversal of 1655056543 is 3456505561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1655056543 - 2²¹ = 1652959391 is a prime.

It is a super-2 number, since 2×1655056543² = 5478424321054221698, 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 = 1655056496 and 1655056505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655056547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2514955 + ... + 2515612.

It is an arithmetic number, because the mean of its divisors is an integer number (241467264).

Almost surely, 2^1655056543 is an apocalyptic number.

1655056543 is a deficient number, since it is larger than the sum of its proper divisors (276681569).

1655056543 is an equidigital number, since it uses as much as digits as its factorization.

1655056543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5030621.

The product of its (nonzero) digits is 270000, while the sum is 40.

The square root of 1655056543 is about 40682.3861517488. The cubic root of 1655056543 is about 1182.8716192145.

The spelling of 1655056543 in words is "one billion, six hundred fifty-five million, fifty-six thousand, five hundred forty-three".