55375973 has 4 divisors (see below), whose sum is σ = 57783648. Its totient is φ = 52968300.

The previous prime is 55375967. The next prime is 55375979. The reversal of 55375973 is 37957355.

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 (55375967) and next prime (55375979).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55375973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55375979) 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, 1203803 + ... + 1203848.

It is an arithmetic number, because the mean of its divisors is an integer number (14445912).

Almost surely, 2^55375973 is an apocalyptic number.

It is an amenable number.

55375973 is a deficient number, since it is larger than the sum of its proper divisors (2407675).

55375973 is a wasteful number, since it uses less digits than its factorization.

55375973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407674.

The product of its digits is 496125, while the sum is 44.

The square root of 55375973 is about 7441.5034099300. The cubic root of 55375973 is about 381.1598289661.

The spelling of 55375973 in words is "fifty-five million, three hundred seventy-five thousand, nine hundred seventy-three".