1555249234 has 16 divisors (see below), whose sum is σ = 2908518336. Its totient is φ = 605941200.

The previous prime is 1555249211. The next prime is 1555249253. The reversal of 1555249234 is 4329425551.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5049357 + ... + 5049664.

It is an arithmetic number, because the mean of its divisors is an integer number (181782396).

Almost surely, 2^1555249234 is an apocalyptic number.

1555249234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1555249234 is a deficient number, since it is larger than the sum of its proper divisors (1353269102).

1555249234 is a wasteful number, since it uses less digits than its factorization.

1555249234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10099041.

The product of its digits is 216000, while the sum is 40.

The square root of 1555249234 is about 39436.6483616445. The cubic root of 1555249234 is about 1158.5994874534.

The spelling of 1555249234 in words is "one billion, five hundred fifty-five million, two hundred forty-nine thousand, two hundred thirty-four".