1377488553 has 16 divisors (see below), whose sum is σ = 2102553600. Its totient is φ = 785815056.

The previous prime is 1377488551. The next prime is 1377488569. The reversal of 1377488553 is 3558847731.

It is not a de Polignac number, because 1377488553 - 2¹ = 1377488551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1377488496 and 1377488505.

It is not an unprimeable number, because it can be changed into a prime (1377488551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42175 + ... + 67332.

It is an arithmetic number, because the mean of its divisors is an integer number (131409600).

Almost surely, 2^1377488553 is an apocalyptic number.

It is an amenable number.

1377488553 is a deficient number, since it is larger than the sum of its proper divisors (725065047).

1377488553 is a wasteful number, since it uses less digits than its factorization.

1377488553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110116.

The product of its digits is 2822400, while the sum is 51.

The square root of 1377488553 is about 37114.5329082827. The cubic root of 1377488553 is about 1112.6604885331.

The spelling of 1377488553 in words is "one billion, three hundred seventy-seven million, four hundred eighty-eight thousand, five hundred fifty-three".