55993401 has 6 divisors (see below), whose sum is σ = 80879370. Its totient is φ = 37328928.

The previous prime is 55993397. The next prime is 55993429. The reversal of 55993401 is 10439955.

55993401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 28901376 + 27092025 = 5376^2 + 5205^2 .

It is not a de Polignac number, because 55993401 - 2² = 55993397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55993481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3110736 + ... + 3110753.

It is an arithmetic number, because the mean of its divisors is an integer number (13479895).

Almost surely, 2^55993401 is an apocalyptic number.

It is an amenable number.

55993401 is a deficient number, since it is larger than the sum of its proper divisors (24885969).

55993401 is a wasteful number, since it uses less digits than its factorization.

55993401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6221495 (or 6221492 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 55993401 is about 7482.8738463240. The cubic root of 55993401 is about 382.5712080679.

The spelling of 55993401 in words is "fifty-five million, nine hundred ninety-three thousand, four hundred one".