55884015 has 96 divisors (see below), whose sum is σ = 116251200. Its totient is φ = 24514560.

The previous prime is 55884013. The next prime is 55884019. The reversal of 55884015 is 51048855.

It is not a de Polignac number, because 55884015 - 2¹ = 55884013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55884013) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 243921 + ... + 244149.

It is an arithmetic number, because the mean of its divisors is an integer number (1210950).

Almost surely, 2^55884015 is an apocalyptic number.

55884015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55884015 is an abundant number, since it is smaller than the sum of its proper divisors (60367185).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55884015 is a wasteful number, since it uses less digits than its factorization.

55884015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 55884015 is about 7475.5611829481. The cubic root of 55884015 is about 382.3219214631.

It can be divided in two parts, 558840 and 15, that added together give a palindrome (558855).

The spelling of 55884015 in words is "fifty-five million, eight hundred eighty-four thousand, fifteen".