55343250 has 96 divisors (see below), whose sum is σ = 155361024. Its totient is φ = 14742000.

The previous prime is 55343243. The next prime is 55343261. The reversal of 55343250 is 5234355.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon 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, 60295 + ... + 61205.

It is an arithmetic number, because the mean of its divisors is an integer number (1618344).

Almost surely, 2^55343250 is an apocalyptic number.

55343250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55343250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77680512).

55343250 is an abundant number, since it is smaller than the sum of its proper divisors (100017774).

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

55343250 is an equidigital number, since it uses as much as digits as its factorization.

55343250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 55343250 is about 7439.3044029667. The cubic root of 55343250 is about 381.0847353228.

The spelling of 55343250 in words is "fifty-five million, three hundred forty-three thousand, two hundred fifty".