55063505 has 32 divisors (see below), whose sum is σ = 78086400. Its totient is φ = 37255680.

The previous prime is 55063487. The next prime is 55063507. The reversal of 55063505 is 50536055.

It is not a de Polignac number, because 55063505 - 2⁸ = 55063249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55063507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166190 + ... + 166520.

It is an arithmetic number, because the mean of its divisors is an integer number (2440200).

Almost surely, 2^55063505 is an apocalyptic number.

It is an amenable number.

55063505 is a deficient number, since it is larger than the sum of its proper divisors (23022895).

55063505 is an equidigital number, since it uses as much as digits as its factorization.

55063505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 55063505 is about 7420.4787581395. The cubic root of 55063505 is about 380.4415573518.

The spelling of 55063505 in words is "fifty-five million, sixty-three thousand, five hundred five".