55378176 has 72 divisors (see below), whose sum is σ = 168458304. Its totient is φ = 15820800.

The previous prime is 55378157. The next prime is 55378177. The reversal of 55378176 is 67187355.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (55378177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226 + ... + 10526.

Almost surely, 2^55378176 is an apocalyptic number.

55378176 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55378176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84229152).

55378176 is an abundant number, since it is smaller than the sum of its proper divisors (113080128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55378176 is a wasteful number, since it uses less digits than its factorization.

55378176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10327 (or 10313 counting only the distinct ones).

The product of its digits is 176400, while the sum is 42.

The square root of 55378176 is about 7441.6514296223. The cubic root of 55378176 is about 381.1648834083.

The spelling of 55378176 in words is "fifty-five million, three hundred seventy-eight thousand, one hundred seventy-six".