55545336 has 192 divisors, whose sum is σ = 192741120. Its totient is φ = 14031360.

The previous prime is 55545323. The next prime is 55545349. The reversal of 55545336 is 63354555.

It is an interprime number because it is at equal distance from previous prime (55545323) and next prime (55545349).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55545336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 238276 + ... + 238508.

It is an arithmetic number, because the mean of its divisors is an integer number (1003860).

Almost surely, 2^55545336 is an apocalyptic number.

55545336 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 55545336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96370560).

55545336 is an abundant number, since it is smaller than the sum of its proper divisors (137195784).

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

55545336 is a wasteful number, since it uses less digits than its factorization.

55545336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 299 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

The square root of 55545336 is about 7452.8743448417. The cubic root of 55545336 is about 381.5480158081.

The spelling of 55545336 in words is "fifty-five million, five hundred forty-five thousand, three hundred thirty-six".