55313245 has 8 divisors (see below), whose sum is σ = 71481816. Its totient is φ = 40846656.

The previous prime is 55313231. The next prime is 55313281. The reversal of 55313245 is 54231355.

It can be written as a sum of positive squares in 4 ways, for example, as 2343961 + 52969284 = 1531^2 + 7278^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55313245 - 2⁵ = 55313213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425422 + ... + 425551.

It is an arithmetic number, because the mean of its divisors is an integer number (8935227).

Almost surely, 2^55313245 is an apocalyptic number.

It is an amenable number.

55313245 is a deficient number, since it is larger than the sum of its proper divisors (16168571).

55313245 is a wasteful number, since it uses less digits than its factorization.

55313245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850991.

The product of its digits is 9000, while the sum is 28.

The square root of 55313245 is about 7437.2874759552. The cubic root of 55313245 is about 381.0158530017.

The spelling of 55313245 in words is "fifty-five million, three hundred thirteen thousand, two hundred forty-five".