53553465 has 48 divisors (see below), whose sum is σ = 106748928. Its totient is φ = 24329088.

The previous prime is 53553463. The next prime is 53553473. The reversal of 53553465 is 56435535.

It is not a de Polignac number, because 53553465 - 2¹ = 53553463 is a prime.

It is a super-2 number, since 2×53553465² = 5735947227012450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53553463) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61624 + ... + 62486.

It is an arithmetic number, because the mean of its divisors is an integer number (2223936).

Almost surely, 2^53553465 is an apocalyptic number.

It is an amenable number.

53553465 is a deficient number, since it is larger than the sum of its proper divisors (53195463).

53553465 is a wasteful number, since it uses less digits than its factorization.

53553465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1075 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

The square root of 53553465 is about 7318.0232986784. The cubic root of 53553465 is about 376.9315802447.

The spelling of 53553465 in words is "fifty-three million, five hundred fifty-three thousand, four hundred sixty-five".