55378996 has 24 divisors (see below), whose sum is σ = 108017280. Its totient is φ = 24688512.

The previous prime is 55378957. The next prime is 55379021. The reversal of 55378996 is 69987355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20140 + ... + 22723.

It is an arithmetic number, because the mean of its divisors is an integer number (4500720).

Almost surely, 2^55378996 is an apocalyptic number.

It is an amenable number.

55378996 is a deficient number, since it is larger than the sum of its proper divisors (52638284).

55378996 is a wasteful number, since it uses less digits than its factorization.

55378996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42903 (or 42901 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 52.

The square root of 55378996 is about 7441.7065247160. The cubic root of 55378996 is about 381.1667647371.

The spelling of 55378996 in words is "fifty-five million, three hundred seventy-eight thousand, nine hundred ninety-six".