100253055 has 32 divisors (see below), whose sum is σ = 184665600. Its totient is φ = 45493632.

The previous prime is 100253053. The next prime is 100253099. The reversal of 100253055 is 550352001.

It is not a de Polignac number, because 100253055 - 2¹ = 100253053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100253053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11161 + ... + 18029.

It is an arithmetic number, because the mean of its divisors is an integer number (5770800).

Almost surely, 2^100253055 is an apocalyptic number.

100253055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100253055 is a deficient number, since it is larger than the sum of its proper divisors (84412545).

100253055 is a wasteful number, since it uses less digits than its factorization.

100253055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7023.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 100253055 is about 10012.6447555079. The cubic root of 100253055 is about 464.5500793204.

The spelling of 100253055 in words is "one hundred million, two hundred fifty-three thousand, fifty-five".