55375273 has 8 divisors (see below), whose sum is σ = 60217992. Its totient is φ = 50708736.

The previous prime is 55375249. The next prime is 55375303. The reversal of 55375273 is 37257355.

It can be written as a sum of positive squares in 4 ways, for example, as 33500944 + 21874329 = 5788^2 + 4677^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55375273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55375213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43390 + ... + 44647.

It is an arithmetic number, because the mean of its divisors is an integer number (7527249).

Almost surely, 2^55375273 is an apocalyptic number.

It is an amenable number.

55375273 is a deficient number, since it is larger than the sum of its proper divisors (4842719).

55375273 is a wasteful number, since it uses less digits than its factorization.

55375273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88091.

The product of its digits is 110250, while the sum is 37.

The square root of 55375273 is about 7441.4563762747. The cubic root of 55375273 is about 381.1582228965.

The spelling of 55375273 in words is "fifty-five million, three hundred seventy-five thousand, two hundred seventy-three".