1553086379 has 8 divisors (see below), whose sum is σ = 1675291632. Its totient is φ = 1431272160.

The previous prime is 1553086373. The next prime is 1553086421. The reversal of 1553086379 is 9736803551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1553086379 - 2⁴ = 1553086363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1553086373) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 89477 + ... + 105414.

It is an arithmetic number, because the mean of its divisors is an integer number (209411454).

Almost surely, 2^1553086379 is an apocalyptic number.

1553086379 is a deficient number, since it is larger than the sum of its proper divisors (122205253).

1553086379 is a wasteful number, since it uses less digits than its factorization.

1553086379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195517.

The product of its (nonzero) digits is 680400, while the sum is 47.

The square root of 1553086379 is about 39409.2169295458. The cubic root of 1553086379 is about 1158.0621576661.

The spelling of 1553086379 in words is "one billion, five hundred fifty-three million, eighty-six thousand, three hundred seventy-nine".