1553505080 has 16 divisors (see below), whose sum is σ = 3495386520. Its totient is φ = 621402016.

The previous prime is 1553505071. The next prime is 1553505091. The reversal of 1553505080 is 805053551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19418774 + ... + 19418853.

Almost surely, 2^1553505080 is an apocalyptic number.

1553505080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1553505080 is an abundant number, since it is smaller than the sum of its proper divisors (1941881440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1553505080 is a wasteful number, since it uses less digits than its factorization.

1553505080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38837638 (or 38837634 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 1553505080 is about 39414.5287933270. The cubic root of 1553505080 is about 1158.1662167455.

The spelling of 1553505080 in words is "one billion, five hundred fifty-three million, five hundred five thousand, eighty".