100406553 has 16 divisors (see below), whose sum is σ = 145526976. Its totient is φ = 61208640.

The previous prime is 100406519. The next prime is 100406557. The reversal of 100406553 is 355604001.

It is not a de Polignac number, because 100406553 - 2¹⁸ = 100144409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100406557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7858 + ... + 16203.

It is an arithmetic number, because the mean of its divisors is an integer number (9095436).

Almost surely, 2^100406553 is an apocalyptic number.

100406553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

100406553 is a deficient number, since it is larger than the sum of its proper divisors (45120423).

100406553 is a wasteful number, since it uses less digits than its factorization.

100406553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24184.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 100406553 is about 10020.3070312241. The cubic root of 100406553 is about 464.7870501402.

The spelling of 100406553 in words is "one hundred million, four hundred six thousand, five hundred fifty-three".