55340153 has 4 divisors (see below), whose sum is σ = 60371088. Its totient is φ = 50309220.

The previous prime is 55340147. The next prime is 55340213. The reversal of 55340153 is 35104355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55340153 - 2⁴ = 55340137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55340113) 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, 2515451 + ... + 2515472.

It is an arithmetic number, because the mean of its divisors is an integer number (15092772).

Almost surely, 2^55340153 is an apocalyptic number.

It is an amenable number.

55340153 is a deficient number, since it is larger than the sum of its proper divisors (5030935).

55340153 is a wasteful number, since it uses less digits than its factorization.

55340153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030934.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 55340153 is about 7439.0962488732. The cubic root of 55340153 is about 381.0776267086.

The spelling of 55340153 in words is "fifty-five million, three hundred forty thousand, one hundred fifty-three".