55013378 has 24 divisors (see below), whose sum is σ = 100170432. Its totient is φ = 22551144.

The previous prime is 55013369. The next prime is 55013381. The reversal of 55013378 is 87331055.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9950 + ... + 14457.

It is an arithmetic number, because the mean of its divisors is an integer number (4173768).

Almost surely, 2^55013378 is an apocalyptic number.

55013378 is a deficient number, since it is larger than the sum of its proper divisors (45157054).

55013378 is a wasteful number, since it uses less digits than its factorization.

55013378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24446 (or 24439 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 55013378 is about 7417.1003768319. The cubic root of 55013378 is about 380.3260774541.

The spelling of 55013378 in words is "fifty-five million, thirteen thousand, three hundred seventy-eight".