105625553 has 8 divisors (see below), whose sum is σ = 118038816. Its totient is φ = 93680800.

The previous prime is 105625549. The next prime is 105625561. The reversal of 105625553 is 355526501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105625553 - 2² = 105625549 is a prime.

It is a super-2 number, since 2×105625553² = 22313514893111618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105625523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116651 + ... + 117552.

It is an arithmetic number, because the mean of its divisors is an integer number (14754852).

Almost surely, 2^105625553 is an apocalyptic number.

It is an amenable number.

105625553 is a deficient number, since it is larger than the sum of its proper divisors (12413263).

105625553 is a wasteful number, since it uses less digits than its factorization.

105625553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234255.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 105625553 is about 10277.4292991973. The cubic root of 105625553 is about 472.7044222447.

The spelling of 105625553 in words is "one hundred five million, six hundred twenty-five thousand, five hundred fifty-three".