55285055 has 16 divisors (see below), whose sum is σ = 76737024. Its totient is φ = 37451040.

The previous prime is 55285039. The next prime is 55285099. The reversal of 55285055 is 55058255.

It is a happy number.

It is not a de Polignac number, because 55285055 - 2⁴ = 55285039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6611 + ... + 12420.

It is an arithmetic number, because the mean of its divisors is an integer number (4796064).

Almost surely, 2^55285055 is an apocalyptic number.

55285055 is a deficient number, since it is larger than the sum of its proper divisors (21451969).

55285055 is a wasteful number, since it uses less digits than its factorization.

55285055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19126.

The product of its (nonzero) digits is 50000, while the sum is 35.

The square root of 55285055 is about 7435.3920542228. The cubic root of 55285055 is about 380.9511146672.

The spelling of 55285055 in words is "fifty-five million, two hundred eighty-five thousand, fifty-five".