55437085 has 32 divisors (see below), whose sum is σ = 77480064. Its totient is φ = 37632000.

The previous prime is 55437077. The next prime is 55437091. The reversal of 55437085 is 58073455.

It is not a de Polignac number, because 55437085 - 2³ = 55437077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197145 + ... + 197425.

It is an arithmetic number, because the mean of its divisors is an integer number (2421252).

Almost surely, 2^55437085 is an apocalyptic number.

55437085 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55437085 is a deficient number, since it is larger than the sum of its proper divisors (22042979).

55437085 is a wasteful number, since it uses less digits than its factorization.

55437085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 55437085 is about 7445.6084371930. The cubic root of 55437085 is about 381.2999912947.

It can be divided in two parts, 554370 and 85, that added together give a palindrome (554455).

The spelling of 55437085 in words is "fifty-five million, four hundred thirty-seven thousand, eighty-five".