55782350 has 24 divisors (see below), whose sum is σ = 111737640. Its totient is φ = 20596320.

The previous prime is 55782343. The next prime is 55782367. The reversal of 55782350 is 5328755.

It is a super-2 number, since 2×55782350² = 6223341143045000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55782350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42260 + ... + 43559.

It is an arithmetic number, because the mean of its divisors is an integer number (4655735).

Almost surely, 2^55782350 is an apocalyptic number.

55782350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55782350 is an abundant number, since it is smaller than the sum of its proper divisors (55955290).

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

55782350 is a wasteful number, since it uses less digits than its factorization.

55782350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85844 (or 85839 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 55782350 is about 7468.7582635938. The cubic root of 55782350 is about 382.0899388935.

The spelling of 55782350 in words is "fifty-five million, seven hundred eighty-two thousand, three hundred fifty".