55146055 has 16 divisors (see below), whose sum is σ = 69285888. Its totient is φ = 42084000.

The previous prime is 55146041. The next prime is 55146059. The reversal of 55146055 is 55064155.

It is not a de Polignac number, because 55146055 - 2¹⁷ = 55014983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55146059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8500 + ... + 13510.

It is an arithmetic number, because the mean of its divisors is an integer number (4330368).

Almost surely, 2^55146055 is an apocalyptic number.

55146055 is a deficient number, since it is larger than the sum of its proper divisors (14139833).

55146055 is a wasteful number, since it uses less digits than its factorization.

55146055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 55146055 is about 7426.0389845462. The cubic root of 55146055 is about 380.6315789732.

The spelling of 55146055 in words is "fifty-five million, one hundred forty-six thousand, fifty-five".