55758506 has 4 divisors (see below), whose sum is σ = 83637762. Its totient is φ = 27879252.

The previous prime is 55758473. The next prime is 55758511. The reversal of 55758506 is 60585755.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34515625 + 21242881 = 5875^2 + 4609^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13939625 + ... + 13939628.

Almost surely, 2^55758506 is an apocalyptic number.

55758506 is a deficient number, since it is larger than the sum of its proper divisors (27879256).

55758506 is a wasteful number, since it uses less digits than its factorization.

55758506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27879255.

The product of its (nonzero) digits is 210000, while the sum is 41.

The square root of 55758506 is about 7467.1618436994. The cubic root of 55758506 is about 382.0354900645.

The spelling of 55758506 in words is "fifty-five million, seven hundred fifty-eight thousand, five hundred six".