103553424 has 80 divisors (see below), whose sum is σ = 320118400. Its totient is φ = 31860864.

The previous prime is 103553407. The next prime is 103553447. The reversal of 103553424 is 424355301.

103553424 is a `hidden beast` number, since 103 + 5 + 534 + 24 = 666.

It is a super-3 number, since 3×103553424³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3604 + ... + 14835.

It is an arithmetic number, because the mean of its divisors is an integer number (4001480).

Almost surely, 2^103553424 is an apocalyptic number.

It is an amenable number.

103553424 is an abundant number, since it is smaller than the sum of its proper divisors (216564976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103553424 is a wasteful number, since it uses less digits than its factorization.

103553424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18469 (or 18457 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 103553424 is about 10176.1202823080. The cubic root of 103553424 is about 469.5928630530.

The spelling of 103553424 in words is "one hundred three million, five hundred fifty-three thousand, four hundred twenty-four".