55711607 has 16 divisors (see below), whose sum is σ = 64676352. Its totient is φ = 47005920.

The previous prime is 55711561. The next prime is 55711609. The reversal of 55711607 is 70611755.

It is a cyclic number.

It is not a de Polignac number, because 55711607 - 2¹² = 55707511 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 (55711609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178982 + ... + 179292.

It is an arithmetic number, because the mean of its divisors is an integer number (4042272).

Almost surely, 2^55711607 is an apocalyptic number.

55711607 is a deficient number, since it is larger than the sum of its proper divisors (8964745).

55711607 is a wasteful number, since it uses less digits than its factorization.

55711607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 55711607 is about 7464.0208333043. The cubic root of 55711607 is about 381.9283488138.

The spelling of 55711607 in words is "fifty-five million, seven hundred eleven thousand, six hundred seven".