55216154 has 8 divisors (see below), whose sum is σ = 94656288. Its totient is φ = 23664060.

The previous prime is 55216151. The next prime is 55216199. The reversal of 55216154 is 45161255.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (55216151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1971992 + ... + 1972019.

It is an arithmetic number, because the mean of its divisors is an integer number (11832036).

Almost surely, 2^55216154 is an apocalyptic number.

55216154 is a deficient number, since it is larger than the sum of its proper divisors (39440134).

55216154 is a wasteful number, since it uses less digits than its factorization.

55216154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944020.

The product of its digits is 6000, while the sum is 29.

The square root of 55216154 is about 7430.7572965345. The cubic root of 55216154 is about 380.7927908402.

The spelling of 55216154 in words is "fifty-five million, two hundred sixteen thousand, one hundred fifty-four".