1253606055 has 64 divisors (see below), whose sum is σ = 2306949120. Its totient is φ = 576576000.

The previous prime is 1253606051. The next prime is 1253606063. The reversal of 1253606055 is 5506063521.

It is not a de Polignac number, because 1253606055 - 2² = 1253606051 is a prime.

It is a super-2 number, since 2×1253606055² = 3143056282265326050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253606051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 171730 + ... + 178880.

It is an arithmetic number, because the mean of its divisors is an integer number (36046080).

Almost surely, 2^1253606055 is an apocalyptic number.

1253606055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1253606055 is a deficient number, since it is larger than the sum of its proper divisors (1053343065).

1253606055 is a wasteful number, since it uses less digits than its factorization.

1253606055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7232.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 1253606055 is about 35406.2996513332. The cubic root of 1253606055 is about 1078.2522185016.

Adding to 1253606055 its reverse (5506063521), we get a palindrome (6759669576).

The spelling of 1253606055 in words is "one billion, two hundred fifty-three million, six hundred six thousand, fifty-five".