1551002055 has 32 divisors (see below), whose sum is σ = 2629718784. Its totient is φ = 777908736.

The previous prime is 1551002039. The next prime is 1551002077. The reversal of 1551002055 is 5502001551.

It is not a de Polignac number, because 1551002055 - 2⁴ = 1551002039 is a prime.

It is a super-2 number, since 2×1551002055² = 4811214749228446050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 576744 + ... + 579426.

It is an arithmetic number, because the mean of its divisors is an integer number (82178712).

Almost surely, 2^1551002055 is an apocalyptic number.

1551002055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1551002055 is a deficient number, since it is larger than the sum of its proper divisors (1078716729).

1551002055 is a wasteful number, since it uses less digits than its factorization.

1551002055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4975.

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 1551002055 is about 39382.7634251331. The cubic root of 1551002055 is about 1157.5438655323.

The spelling of 1551002055 in words is "one billion, five hundred fifty-one million, two thousand, fifty-five".