55396958 has 4 divisors (see below), whose sum is σ = 83095440. Its totient is φ = 27698478.

The previous prime is 55396927. The next prime is 55396963. The reversal of 55396958 is 85969355.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13849238 + ... + 13849241.

It is an arithmetic number, because the mean of its divisors is an integer number (20773860).

Almost surely, 2^55396958 is an apocalyptic number.

55396958 is a deficient number, since it is larger than the sum of its proper divisors (27698482).

55396958 is a wasteful number, since it uses less digits than its factorization.

55396958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27698481.

The product of its digits is 1458000, while the sum is 50.

The square root of 55396958 is about 7442.9132737121. The cubic root of 55396958 is about 381.2079703556.

The spelling of 55396958 in words is "fifty-five million, three hundred ninety-six thousand, nine hundred fifty-eight".