53554945 has 16 divisors (see below), whose sum is σ = 65536128. Its totient is φ = 42004480.

The previous prime is 53554937. The next prime is 53554951. The reversal of 53554945 is 54945535.

It is not a de Polignac number, because 53554945 - 2³ = 53554937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53554898 and 53554907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90942 + ... + 91528.

It is an arithmetic number, because the mean of its divisors is an integer number (4096008).

Almost surely, 2^53554945 is an apocalyptic number.

It is an amenable number.

53554945 is a deficient number, since it is larger than the sum of its proper divisors (11981183).

53554945 is a wasteful number, since it uses less digits than its factorization.

53554945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920.

The product of its digits is 270000, while the sum is 40.

The square root of 53554945 is about 7318.1244181826. The cubic root of 53554945 is about 376.9350524981.

The spelling of 53554945 in words is "fifty-three million, five hundred fifty-four thousand, nine hundred forty-five".