1055566654 has 8 divisors (see below), whose sum is σ = 1583488800. Its totient is φ = 527737056.

The previous prime is 1055566651. The next prime is 1055566661. The reversal of 1055566654 is 4566655501.

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

It is a super-2 number, since 2×1055566654² = 2228441922073511432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055566654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055566651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27862 + ... + 53734.

It is an arithmetic number, because the mean of its divisors is an integer number (197936100).

Almost surely, 2^1055566654 is an apocalyptic number.

1055566654 is a deficient number, since it is larger than the sum of its proper divisors (527922146).

1055566654 is a wasteful number, since it uses less digits than its factorization.

1055566654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46274.

The product of its (nonzero) digits is 540000, while the sum is 43.

The square root of 1055566654 is about 32489.4852837037. The cubic root of 1055566654 is about 1018.1893592114.

The spelling of 1055566654 in words is "one billion, fifty-five million, five hundred sixty-six thousand, six hundred fifty-four".