55527775 has 6 divisors (see below), whose sum is σ = 68854472. Its totient is φ = 44422200.

The previous prime is 55527767. The next prime is 55527803. The reversal of 55527775 is 57772555.

It is not a de Polignac number, because 55527775 - 2³ = 55527767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1110531 + ... + 1110580.

Almost surely, 2^55527775 is an apocalyptic number.

55527775 is a deficient number, since it is larger than the sum of its proper divisors (13326697).

55527775 is a wasteful number, since it uses less digits than its factorization.

55527775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221121 (or 2221116 counting only the distinct ones).

The product of its digits is 428750, while the sum is 43.

The square root of 55527775 is about 7451.6961156504. The cubic root of 55527775 is about 381.5078019850.

The spelling of 55527775 in words is "fifty-five million, five hundred twenty-seven thousand, seven hundred seventy-five".