55015332 has 24 divisors (see below), whose sum is σ = 135920736. Its totient is φ = 17259648.

The previous prime is 55015327. The next prime is 55015339. The reversal of 55015332 is 23351055.

It is not an unprimeable number, because it can be changed into a prime (55015339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134638 + ... + 135045.

It is an arithmetic number, because the mean of its divisors is an integer number (5663364).

Almost surely, 2^55015332 is an apocalyptic number.

It is an amenable number.

55015332 is an abundant number, since it is smaller than the sum of its proper divisors (80905404).

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

55015332 is a wasteful number, since it uses less digits than its factorization.

55015332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269707 (or 269705 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 55015332 is about 7417.2320982965. The cubic root of 55015332 is about 380.3305802883.

Adding to 55015332 its reverse (23351055), we get a palindrome (78366387).

The spelling of 55015332 in words is "fifty-five million, fifteen thousand, three hundred thirty-two".