55035511 has 4 divisors (see below), whose sum is σ = 58272912. Its totient is φ = 51798112.

The previous prime is 55035479. The next prime is 55035523. The reversal of 55035511 is 11553055.

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 55035511 - 2⁵ = 55035479 is a prime.

It is a super-2 number, since 2×55035511² = 6057814942062242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55035581) 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, 1618675 + ... + 1618708.

It is an arithmetic number, because the mean of its divisors is an integer number (14568228).

Almost surely, 2^55035511 is an apocalyptic number.

55035511 is a deficient number, since it is larger than the sum of its proper divisors (3237401).

55035511 is a wasteful number, since it uses less digits than its factorization.

55035511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237400.

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 55035511 is about 7418.5922519033. The cubic root of 55035511 is about 380.3770749190.

Adding to 55035511 its reverse (11553055), we get a palindrome (66588566).

The spelling of 55035511 in words is "fifty-five million, thirty-five thousand, five hundred eleven".