55418055 has 32 divisors (see below), whose sum is σ = 110550528. Its totient is φ = 23030400.

The previous prime is 55418053. The next prime is 55418071. The reversal of 55418055 is 55081455.

It is not a de Polignac number, because 55418055 - 2¹ = 55418053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55418053) 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, 22836 + ... + 25145.

It is an arithmetic number, because the mean of its divisors is an integer number (3454704).

Almost surely, 2^55418055 is an apocalyptic number.

55418055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55418055 is a deficient number, since it is larger than the sum of its proper divisors (55132473).

55418055 is a wasteful number, since it uses less digits than its factorization.

55418055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48007.

The product of its (nonzero) digits is 20000, while the sum is 33.

The square root of 55418055 is about 7444.3303929904. The cubic root of 55418055 is about 381.2563564290.

The spelling of 55418055 in words is "fifty-five million, four hundred eighteen thousand, fifty-five".