55370849 has 4 divisors (see below), whose sum is σ = 56415636. Its totient is φ = 54326064.

The previous prime is 55370839. The next prime is 55370873. The reversal of 55370849 is 94807355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22515025 + 32855824 = 4745^2 + 5732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55370849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55370839) 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, 522314 + ... + 522419.

It is an arithmetic number, because the mean of its divisors is an integer number (14103909).

Almost surely, 2^55370849 is an apocalyptic number.

It is an amenable number.

55370849 is a deficient number, since it is larger than the sum of its proper divisors (1044787).

55370849 is a wasteful number, since it uses less digits than its factorization.

55370849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044786.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 55370849 is about 7441.1591166968. The cubic root of 55370849 is about 381.1480722233.

The spelling of 55370849 in words is "fifty-five million, three hundred seventy thousand, eight hundred forty-nine".