55940059 has 4 divisors (see below), whose sum is σ = 63931504. Its totient is φ = 47948616.

The previous prime is 55940057. The next prime is 55940077. The reversal of 55940059 is 95004955.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95004955 = 5 ⋅19000991.

It is a cyclic number.

It is not a de Polignac number, because 55940059 - 2¹ = 55940057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55940057) 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, 3995712 + ... + 3995725.

It is an arithmetic number, because the mean of its divisors is an integer number (15982876).

Almost surely, 2^55940059 is an apocalyptic number.

55940059 is a deficient number, since it is larger than the sum of its proper divisors (7991445).

55940059 is an equidigital number, since it uses as much as digits as its factorization.

55940059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7991444.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 55940059 is about 7479.3087247419. The cubic root of 55940059 is about 382.4496842412.

The spelling of 55940059 in words is "fifty-five million, nine hundred forty thousand, fifty-nine".