55035391 has 8 divisors (see below), whose sum is σ = 57207024. Its totient is φ = 52899840.

The previous prime is 55035349. The next prime is 55035401. The reversal of 55035391 is 19353055.

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 55035391 - 2⁷ = 55035263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55035091) 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, 5890 + ... + 12031.

It is an arithmetic number, because the mean of its divisors is an integer number (7150878).

Almost surely, 2^55035391 is an apocalyptic number.

55035391 is a deficient number, since it is larger than the sum of its proper divisors (2171633).

55035391 is a wasteful number, since it uses less digits than its factorization.

55035391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18041.

The product of its (nonzero) digits is 10125, while the sum is 31.

The square root of 55035391 is about 7418.5841641111. The cubic root of 55035391 is about 380.3767984594.

The spelling of 55035391 in words is "fifty-five million, thirty-five thousand, three hundred ninety-one".