1398502055 has 16 divisors (see below), whose sum is σ = 1720155744. Its totient is φ = 1091164800.

The previous prime is 1398502037. The next prime is 1398502067. The reversal of 1398502055 is 5502058931.

It is not a de Polignac number, because 1398502055 - 2¹⁰ = 1398501031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13169 + ... + 54501.

It is an arithmetic number, because the mean of its divisors is an integer number (107509734).

Almost surely, 2^1398502055 is an apocalyptic number.

1398502055 is a deficient number, since it is larger than the sum of its proper divisors (321653689).

1398502055 is a wasteful number, since it uses less digits than its factorization.

1398502055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41506.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 1398502055 is about 37396.5513784360. The cubic root of 1398502055 is about 1118.2898152910.

The spelling of 1398502055 in words is "one billion, three hundred ninety-eight million, five hundred two thousand, fifty-five".