1553455005 has 16 divisors (see below), whose sum is σ = 2486018304. Its totient is φ = 828345920.

The previous prime is 1553454943. The next prime is 1553455051. The reversal of 1553455005 is 5005543551.

It is not a de Polignac number, because 1553455005 - 2⁶ = 1553454941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134572 + ... + 145658.

It is an arithmetic number, because the mean of its divisors is an integer number (155376144).

Almost surely, 2^1553455005 is an apocalyptic number.

1553455005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1553455005 is a deficient number, since it is larger than the sum of its proper divisors (932563299).

1553455005 is a wasteful number, since it uses less digits than its factorization.

1553455005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20436.

The product of its (nonzero) digits is 37500, while the sum is 33.

The square root of 1553455005 is about 39413.8935529085. The cubic root of 1553455005 is about 1158.1537726715.

Adding to 1553455005 its reverse (5005543551), we get a palindrome (6558998556).

The spelling of 1553455005 in words is "one billion, five hundred fifty-three million, four hundred fifty-five thousand, five".