55351667 has 8 divisors (see below), whose sum is σ = 64969056. Its totient is φ = 46161792.

The previous prime is 55351657. The next prime is 55351669. The reversal of 55351667 is 76615355.

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

It is not a de Polignac number, because 55351667 - 2⁶ = 55351603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55351667.

It is not an unprimeable number, because it can be changed into a prime (55351669) 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, 106598 + ... + 107115.

It is an arithmetic number, because the mean of its divisors is an integer number (8121132).

Almost surely, 2^55351667 is an apocalyptic number.

55351667 is a deficient number, since it is larger than the sum of its proper divisors (9617389).

55351667 is a wasteful number, since it uses less digits than its factorization.

55351667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213757.

The product of its digits is 94500, while the sum is 38.

The square root of 55351667 is about 7439.8700929519. The cubic root of 55351667 is about 381.1040537137.

The spelling of 55351667 in words is "fifty-five million, three hundred fifty-one thousand, six hundred sixty-seven".