55361606 has 4 divisors (see below), whose sum is σ = 83042412. Its totient is φ = 27680802.

The previous prime is 55361599. The next prime is 55361623. The reversal of 55361606 is 60616355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60616355 = 5 ⋅12123271.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13840400 + ... + 13840403.

It is an arithmetic number, because the mean of its divisors is an integer number (20760603).

Almost surely, 2^55361606 is an apocalyptic number.

55361606 is a deficient number, since it is larger than the sum of its proper divisors (27680806).

55361606 is a wasteful number, since it uses less digits than its factorization.

55361606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27680805.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 55361606 is about 7440.5380181812. The cubic root of 55361606 is about 381.1268628220.

The spelling of 55361606 in words is "fifty-five million, three hundred sixty-one thousand, six hundred six".