55615706 has 8 divisors (see below), whose sum is σ = 83502900. Its totient is φ = 27781408.

The previous prime is 55615697. The next prime is 55615723. The reversal of 55615706 is 60751655.

It can be written as a sum of positive squares in 2 ways, for example, as 53949025 + 1666681 = 7345^2 + 1291^2 .

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, 10481 + ... + 14868.

Almost surely, 2^55615706 is an apocalyptic number.

55615706 is a deficient number, since it is larger than the sum of its proper divisors (27887194).

55615706 is a wasteful number, since it uses less digits than its factorization.

55615706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26448.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 55615706 is about 7457.5938478842. The cubic root of 55615706 is about 381.7090746553.

The spelling of 55615706 in words is "fifty-five million, six hundred fifteen thousand, seven hundred six".