55635401 has 8 divisors (see below), whose sum is σ = 59992800. Its totient is φ = 51420960.

The previous prime is 55635389. The next prime is 55635403. The reversal of 55635401 is 10453655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55635401 - 2⁶ = 55635337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55635403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34931 + ... + 36488.

It is an arithmetic number, because the mean of its divisors is an integer number (7499100).

Almost surely, 2^55635401 is an apocalyptic number.

It is an amenable number.

55635401 is a deficient number, since it is larger than the sum of its proper divisors (4357399).

55635401 is a wasteful number, since it uses less digits than its factorization.

55635401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71479.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 55635401 is about 7458.9141971201. The cubic root of 55635401 is about 381.7541271145.

The spelling of 55635401 in words is "fifty-five million, six hundred thirty-five thousand, four hundred one".