1054501555 has 4 divisors (see below), whose sum is σ = 1265401872. Its totient is φ = 843601240.

The previous prime is 1054501531. The next prime is 1054501561. The reversal of 1054501555 is 5551054501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1054501555 - 2⁵ = 1054501523 is a prime.

It is a super-2 number, since 2×1054501555² = 2223947058994836050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105450151 + ... + 105450160.

It is an arithmetic number, because the mean of its divisors is an integer number (316350468).

Almost surely, 2^1054501555 is an apocalyptic number.

1054501555 is a deficient number, since it is larger than the sum of its proper divisors (210900317).

1054501555 is an equidigital number, since it uses as much as digits as its factorization.

1054501555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210900316.

The product of its (nonzero) digits is 12500, while the sum is 31.

The square root of 1054501555 is about 32473.0897051697. The cubic root of 1054501555 is about 1017.8467825729.

The spelling of 1054501555 in words is "one billion, fifty-four million, five hundred one thousand, five hundred fifty-five".