55097506 has 8 divisors (see below), whose sum is σ = 85496220. Its totient is φ = 26598768.

The previous prime is 55097479. The next prime is 55097513. The reversal of 55097506 is 60579055.

It can be written as a sum of positive squares in 2 ways, for example, as 52345225 + 2752281 = 7235^2 + 1659^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474921 + ... + 475036.

Almost surely, 2^55097506 is an apocalyptic number.

55097506 is a deficient number, since it is larger than the sum of its proper divisors (30398714).

55097506 is a wasteful number, since it uses less digits than its factorization.

55097506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949988.

The product of its (nonzero) digits is 47250, while the sum is 37.

The square root of 55097506 is about 7422.7694292629. The cubic root of 55097506 is about 380.5198471485.

The spelling of 55097506 in words is "fifty-five million, ninety-seven thousand, five hundred six".