55527709 has 8 divisors (see below), whose sum is σ = 58520000. Its totient is φ = 52542432.

The previous prime is 55527707. The next prime is 55527737. The reversal of 55527709 is 90772555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55527709 - 2¹ = 55527707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55527707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25537 + ... + 27625.

It is an arithmetic number, because the mean of its divisors is an integer number (7315000).

Almost surely, 2^55527709 is an apocalyptic number.

It is an amenable number.

55527709 is a deficient number, since it is larger than the sum of its proper divisors (2992291).

55527709 is a wasteful number, since it uses less digits than its factorization.

55527709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507.

The product of its (nonzero) digits is 110250, while the sum is 40.

The square root of 55527709 is about 7451.6916871272. The cubic root of 55527709 is about 381.5076508322.

The spelling of 55527709 in words is "fifty-five million, five hundred twenty-seven thousand, seven hundred nine".