55601407 has 4 divisors (see below), whose sum is σ = 58872096. Its totient is φ = 52330720.

The previous prime is 55601401. The next prime is 55601431. The reversal of 55601407 is 70410655.

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 55601407 - 2¹¹ = 55599359 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 (55601401) 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, 1635319 + ... + 1635352.

It is an arithmetic number, because the mean of its divisors is an integer number (14718024).

Almost surely, 2^55601407 is an apocalyptic number.

55601407 is a deficient number, since it is larger than the sum of its proper divisors (3270689).

55601407 is a wasteful number, since it uses less digits than its factorization.

55601407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3270688.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 55601407 is about 7456.6350990242. The cubic root of 55601407 is about 381.6763589215.

The spelling of 55601407 in words is "fifty-five million, six hundred one thousand, four hundred seven".