55425193 has 4 divisors (see below), whose sum is σ = 57835008. Its totient is φ = 53015380.

The previous prime is 55425187. The next prime is 55425199. The reversal of 55425193 is 39152455.

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 an interprime number because it is at equal distance from previous prime (55425187) and next prime (55425199).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55425193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55425199) 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, 1204873 + ... + 1204918.

It is an arithmetic number, because the mean of its divisors is an integer number (14458752).

Almost surely, 2^55425193 is an apocalyptic number.

It is an amenable number.

55425193 is a deficient number, since it is larger than the sum of its proper divisors (2409815).

55425193 is a wasteful number, since it uses less digits than its factorization.

55425193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409814.

The product of its digits is 27000, while the sum is 34.

The square root of 55425193 is about 7444.8098028089. The cubic root of 55425193 is about 381.2727246868.

The spelling of 55425193 in words is "fifty-five million, four hundred twenty-five thousand, one hundred ninety-three".