55352416 has 48 divisors (see below), whose sum is σ = 128852640. Its totient is φ = 22901760.

The previous prime is 55352413. The next prime is 55352449. The reversal of 55352416 is 61425355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55352413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2236 + ... + 10756.

It is an arithmetic number, because the mean of its divisors is an integer number (2684430).

Almost surely, 2^55352416 is an apocalyptic number.

55352416 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55352416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64426320).

55352416 is an abundant number, since it is smaller than the sum of its proper divisors (73500224).

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

55352416 is a wasteful number, since it uses less digits than its factorization.

55352416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8567 (or 8559 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 55352416 is about 7439.9204296820. The cubic root of 55352416 is about 381.1057726963.

The spelling of 55352416 in words is "fifty-five million, three hundred fifty-two thousand, four hundred sixteen".