55612607 has 4 divisors (see below), whose sum is σ = 55755960. Its totient is φ = 55469256.

The previous prime is 55612589. The next prime is 55612619. The reversal of 55612607 is 70621655.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55612607 - 2¹⁰ = 55611583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55612657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71093 + ... + 71870.

It is an arithmetic number, because the mean of its divisors is an integer number (13938990).

Almost surely, 2^55612607 is an apocalyptic number.

55612607 is a deficient number, since it is larger than the sum of its proper divisors (143353).

55612607 is a wasteful number, since it uses less digits than its factorization.

55612607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143352.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 55612607 is about 7457.3860701991. The cubic root of 55612607 is about 381.7019847012.

The spelling of 55612607 in words is "fifty-five million, six hundred twelve thousand, six hundred seven".