55349208 has 48 divisors (see below), whose sum is σ = 151252920. Its totient is φ = 18283776.

The previous prime is 55349207. The next prime is 55349227. The reversal of 55349208 is 80294355.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55349207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4735 + ... + 11537.

Almost surely, 2^55349208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55349208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75626460).

55349208 is an abundant number, since it is smaller than the sum of its proper divisors (95903712).

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

55349208 is a wasteful number, since it uses less digits than its factorization.

55349208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6928 (or 6921 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 55349208 is about 7439.7048328546. The cubic root of 55349208 is about 381.0984101093.

The spelling of 55349208 in words is "fifty-five million, three hundred forty-nine thousand, two hundred eight".