55840324 has 12 divisors (see below), whose sum is σ = 99800064. Its totient is φ = 27326024.

The previous prime is 55840321. The next prime is 55840327. The reversal of 55840324 is 42304855.

It is an interprime number because it is at equal distance from previous prime (55840321) and next prime (55840327).

It is not an unprimeable number, because it can be changed into a prime (55840321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148324 + ... + 148699.

It is an arithmetic number, because the mean of its divisors is an integer number (8316672).

Almost surely, 2^55840324 is an apocalyptic number.

It is an amenable number.

55840324 is a deficient number, since it is larger than the sum of its proper divisors (43959740).

55840324 is a wasteful number, since it uses less digits than its factorization.

55840324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297074 (or 297072 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 55840324 is about 7472.6383560293. The cubic root of 55840324 is about 382.2222603935. Note that the first 4 decimals are identical.

The spelling of 55840324 in words is "fifty-five million, eight hundred forty thousand, three hundred twenty-four".