55729154 has 16 divisors (see below), whose sum is σ = 90484800. Its totient is φ = 25589520.

The previous prime is 55729151. The next prime is 55729159. The reversal of 55729154 is 45192755.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55729151) 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, 212 + ... + 10559.

It is an arithmetic number, because the mean of its divisors is an integer number (5655300).

Almost surely, 2^55729154 is an apocalyptic number.

55729154 is a deficient number, since it is larger than the sum of its proper divisors (34755646).

55729154 is a wasteful number, since it uses less digits than its factorization.

55729154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10985.

The product of its digits is 63000, while the sum is 38.

The square root of 55729154 is about 7465.1961796057. The cubic root of 55729154 is about 381.9684421542.

The spelling of 55729154 in words is "fifty-five million, seven hundred twenty-nine thousand, one hundred fifty-four".