1392052555 has 4 divisors (see below), whose sum is σ = 1670463072. Its totient is φ = 1113642040.

The previous prime is 1392052553. The next prime is 1392052583. The reversal of 1392052555 is 5552502931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5552502931 = 8389 ⋅661879.

It is not a de Polignac number, because 1392052555 - 2¹ = 1392052553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1392052553) 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, 139205251 + ... + 139205260.

It is an arithmetic number, because the mean of its divisors is an integer number (417615768).

Almost surely, 2^1392052555 is an apocalyptic number.

1392052555 is a deficient number, since it is larger than the sum of its proper divisors (278410517).

1392052555 is an equidigital number, since it uses as much as digits as its factorization.

1392052555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278410516.

The product of its (nonzero) digits is 67500, while the sum is 37.

The square root of 1392052555 is about 37310.2205166359. The cubic root of 1392052555 is about 1116.5680859981.

The spelling of 1392052555 in words is "one billion, three hundred ninety-two million, fifty-two thousand, five hundred fifty-five".