55523511 has 24 divisors (see below), whose sum is σ = 83492864. Its totient is φ = 35516880.

The previous prime is 55523467. The next prime is 55523527. The reversal of 55523511 is 11532555.

It is not a de Polignac number, because 55523511 - 2¹¹ = 55521463 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 (55523561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34650 + ... + 36216.

Almost surely, 2^55523511 is an apocalyptic number.

55523511 is a deficient number, since it is larger than the sum of its proper divisors (27969353).

55523511 is a wasteful number, since it uses less digits than its factorization.

55523511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731 (or 1728 counting only the distinct ones).

The product of its digits is 3750, while the sum is 27.

The square root of 55523511 is about 7451.4100007985. The cubic root of 55523511 is about 381.4980363562.

The spelling of 55523511 in words is "fifty-five million, five hundred twenty-three thousand, five hundred eleven".