1055555541 has 6 divisors (see below), whose sum is σ = 1524691350. Its totient is φ = 703703688.

The previous prime is 1055555519. The next prime is 1055555561. The reversal of 1055555541 is 1455555501.

1055555541 is a `hidden beast` number, since 1 + 0 + 55 + 55 + 554 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 820822500 + 234733041 = 28650^2 + 15321^2 .

It is not a de Polignac number, because 1055555541 - 2⁶ = 1055555477 is a prime.

It is a super-2 number, since 2×1055555541² = 2228395000271605362, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1055555496 and 1055555505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055555561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58641966 + ... + 58641983.

It is an arithmetic number, because the mean of its divisors is an integer number (254115225).

Almost surely, 2^1055555541 is an apocalyptic number.

It is an amenable number.

1055555541 is a deficient number, since it is larger than the sum of its proper divisors (469135809).

1055555541 is a wasteful number, since it uses less digits than its factorization.

1055555541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117283955 (or 117283952 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 36.

The square root of 1055555541 is about 32489.3142586913. The cubic root of 1055555541 is about 1018.1857860349.

The spelling of 1055555541 in words is "one billion, fifty-five million, five hundred fifty-five thousand, five hundred forty-one".