55063905 has 32 divisors (see below), whose sum is σ = 97950720. Its totient is φ = 26231040.

The previous prime is 55063889. The next prime is 55063961. The reversal of 55063905 is 50936055.

It is not a de Polignac number, because 55063905 - 2⁴ = 55063889 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 1491 + ... + 10599.

It is an arithmetic number, because the mean of its divisors is an integer number (3060960).

Almost surely, 2^55063905 is an apocalyptic number.

It is an amenable number.

55063905 is a deficient number, since it is larger than the sum of its proper divisors (42886815).

55063905 is a wasteful number, since it uses less digits than its factorization.

55063905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9161.

The product of its (nonzero) digits is 20250, while the sum is 33.

The square root of 55063905 is about 7420.5057105294. The cubic root of 55063905 is about 380.4424785685.

The spelling of 55063905 in words is "fifty-five million, sixty-three thousand, nine hundred five".