55154164 has 36 divisors (see below), whose sum is σ = 105882336. Its totient is φ = 25123488.

The previous prime is 55154107. The next prime is 55154167. The reversal of 55154164 is 46145155.

It is a super-3 number, since 3×55154164³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55154167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55617 + ... + 56599.

It is an arithmetic number, because the mean of its divisors is an integer number (2941176).

Almost surely, 2^55154164 is an apocalyptic number.

It is an amenable number.

55154164 is a deficient number, since it is larger than the sum of its proper divisors (50728172).

55154164 is a wasteful number, since it uses less digits than its factorization.

55154164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1081 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 55154164 is about 7426.5849486827. The cubic root of 55154164 is about 380.6502348269.

Subtracting from 55154164 its reverse (46145155), we obtain a palindrome (9009009).

The spelling of 55154164 in words is "fifty-five million, one hundred fifty-four thousand, one hundred sixty-four".