55224837 has 12 divisors (see below), whose sum is σ = 80353260. Its totient is φ = 36547008.

The previous prime is 55224833. The next prime is 55224847. The reversal of 55224837 is 73842255.

55224837 is a `hidden beast` number, since 552 + 24 + 83 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15610401 + 39614436 = 3951^2 + 6294^2 .

It is not a de Polignac number, because 55224837 - 2² = 55224833 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55224833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21162 + ... + 23627.

It is an arithmetic number, because the mean of its divisors is an integer number (6696105).

Almost surely, 2^55224837 is an apocalyptic number.

It is an amenable number.

55224837 is a deficient number, since it is larger than the sum of its proper divisors (25128423).

55224837 is a wasteful number, since it uses less digits than its factorization.

55224837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44932 (or 44929 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 55224837 is about 7431.3415343395. The cubic root of 55224837 is about 380.8127502800.

The spelling of 55224837 in words is "fifty-five million, two hundred twenty-four thousand, eight hundred thirty-seven".