55051001253 has 12 divisors (see below), whose sum is σ = 81209988288. Its totient is φ = 35919801960.

The previous prime is 55051001251. The next prime is 55051001267. The reversal of 55051001253 is 35210015055.

55051001253 is a `hidden beast` number, since 5 + 505 + 100 + 1 + 2 + 53 = 666.

It is not a de Polignac number, because 55051001253 - 2¹ = 55051001251 is a prime.

It is a super-2 number, since 2×55051001253² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55051001251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65071683 + ... + 65072528.

It is an arithmetic number, because the mean of its divisors is an integer number (6767499024).

Almost surely, 2^55051001253 is an apocalyptic number.

It is an amenable number.

55051001253 is a deficient number, since it is larger than the sum of its proper divisors (26158987035).

55051001253 is a wasteful number, since it uses less digits than its factorization.

55051001253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130144264 (or 130144261 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 55051001253 in words is "fifty-five billion, fifty-one million, one thousand, two hundred fifty-three".