55409350 has 48 divisors (see below), whose sum is σ = 107801136. Its totient is φ = 21168000.

The previous prime is 55409317. The next prime is 55409357. The reversal of 55409350 is 5390455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55409357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112605 + ... + 113095.

It is an arithmetic number, because the mean of its divisors is an integer number (2245857).

Almost surely, 2^55409350 is an apocalyptic number.

55409350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55409350 is a deficient number, since it is larger than the sum of its proper divisors (52391786).

55409350 is a wasteful number, since it uses less digits than its factorization.

55409350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 55409350 is about 7443.7456968921. The cubic root of 55409350 is about 381.2363929570.

The spelling of 55409350 in words is "fifty-five million, four hundred nine thousand, three hundred fifty".