55500958 has 4 divisors (see below), whose sum is σ = 83251440. Its totient is φ = 27750478.

The previous prime is 55500953. The next prime is 55500961. The reversal of 55500958 is 85900555.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55500953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13875238 + ... + 13875241.

It is an arithmetic number, because the mean of its divisors is an integer number (20812860).

Almost surely, 2^55500958 is an apocalyptic number.

55500958 is a deficient number, since it is larger than the sum of its proper divisors (27750482).

55500958 is a wasteful number, since it uses less digits than its factorization.

55500958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27750481.

The product of its (nonzero) digits is 45000, while the sum is 37.

The square root of 55500958 is about 7449.8965093483. The cubic root of 55500958 is about 381.4463760159.

The spelling of 55500958 in words is "fifty-five million, five hundred thousand, nine hundred fifty-eight".