55835145 has 48 divisors (see below), whose sum is σ = 102510720. Its totient is φ = 28055808.

The previous prime is 55835111. The next prime is 55835147. The reversal of 55835145 is 54153855.

It is a happy number.

It is not a de Polignac number, because 55835145 - 2⁶ = 55835081 is a prime.

It is a super-3 number, since 3×55835145³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55835147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75186 + ... + 75924.

It is an arithmetic number, because the mean of its divisors is an integer number (2135640).

Almost surely, 2^55835145 is an apocalyptic number.

It is an amenable number.

55835145 is a deficient number, since it is larger than the sum of its proper divisors (46675575).

55835145 is a wasteful number, since it uses less digits than its factorization.

55835145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 843 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 55835145 is about 7472.2918171067. The cubic root of 55835145 is about 382.2104434236.

The spelling of 55835145 in words is "fifty-five million, eight hundred thirty-five thousand, one hundred forty-five".