55377229 has 8 divisors (see below), whose sum is σ = 58859840. Its totient is φ = 51951456.

The previous prime is 55377227. The next prime is 55377241. The reversal of 55377229 is 92277355.

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 55377229 - 2¹ = 55377227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55377191 and 55377200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55377227) 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, 12192 + ... + 16105.

It is an arithmetic number, because the mean of its divisors is an integer number (7357480).

Almost surely, 2^55377229 is an apocalyptic number.

It is an amenable number.

55377229 is a deficient number, since it is larger than the sum of its proper divisors (3482611).

55377229 is a wasteful number, since it uses less digits than its factorization.

55377229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28419.

The product of its digits is 132300, while the sum is 40.

The square root of 55377229 is about 7441.5878010005. The cubic root of 55377229 is about 381.1627106799.

The spelling of 55377229 in words is "fifty-five million, three hundred seventy-seven thousand, two hundred twenty-nine".