100551053 has 4 divisors (see below), whose sum is σ = 100574460. Its totient is φ = 100527648.

The previous prime is 100551041. The next prime is 100551079. The reversal of 100551053 is 350155001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57805609 + 42745444 = 7603^2 + 6538^2 .

It is a cyclic number.

It is not a de Polignac number, because 100551053 - 2¹⁰ = 100550029 is a prime.

It is a super-2 number, since 2×100551053² = 20221028518817618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100551853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3200 + ... + 14537.

It is an arithmetic number, because the mean of its divisors is an integer number (25143615).

Almost surely, 2^100551053 is an apocalyptic number.

It is an amenable number.

100551053 is a deficient number, since it is larger than the sum of its proper divisors (23407).

100551053 is an equidigital number, since it uses as much as digits as its factorization.

100551053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23406.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 100551053 is about 10027.5147967979. The cubic root of 100551053 is about 465.0099092196.

The spelling of 100551053 in words is "one hundred million, five hundred fifty-one thousand, fifty-three".