55595506 has 4 divisors (see below), whose sum is σ = 83393262. Its totient is φ = 27797752.

The previous prime is 55595473. The next prime is 55595521. The reversal of 55595506 is 60559555.

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., 37319881 + 18275625 = 6109^2 + 4275^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13898875 + ... + 13898878.

Almost surely, 2^55595506 is an apocalyptic number.

55595506 is a deficient number, since it is larger than the sum of its proper divisors (27797756).

55595506 is a wasteful number, since it uses less digits than its factorization.

55595506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27797755.

The product of its (nonzero) digits is 168750, while the sum is 40.

The square root of 55595506 is about 7456.2394006630. The cubic root of 55595506 is about 381.6628559546.

The spelling of 55595506 in words is "fifty-five million, five hundred ninety-five thousand, five hundred six".