55148394 has 16 divisors (see below), whose sum is σ = 126053568. Its totient is φ = 15756672.

The previous prime is 55148383. The next prime is 55148413. The reversal of 55148394 is 49384155.

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, 656487 + ... + 656570.

It is an arithmetic number, because the mean of its divisors is an integer number (7878348).

Almost surely, 2^55148394 is an apocalyptic number.

55148394 is an abundant number, since it is smaller than the sum of its proper divisors (70905174).

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

55148394 is a wasteful number, since it uses less digits than its factorization.

55148394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313069.

The product of its digits is 86400, while the sum is 39.

The square root of 55148394 is about 7426.1964692567. The cubic root of 55148394 is about 380.6369603474.

The spelling of 55148394 in words is "fifty-five million, one hundred forty-eight thousand, three hundred ninety-four".