55247662 has 4 divisors (see below), whose sum is σ = 82871496. Its totient is φ = 27623830.

The previous prime is 55247657. The next prime is 55247663. The reversal of 55247662 is 26674255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26674255 = 5 ⋅5334851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55247663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13811914 + ... + 13811917.

It is an arithmetic number, because the mean of its divisors is an integer number (20717874).

Almost surely, 2^55247662 is an apocalyptic number.

55247662 is a deficient number, since it is larger than the sum of its proper divisors (27623834).

55247662 is a wasteful number, since it uses less digits than its factorization.

55247662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27623833.

The product of its digits is 100800, while the sum is 37.

The square root of 55247662 is about 7432.8771010962. The cubic root of 55247662 is about 380.8652076782.

The spelling of 55247662 in words is "fifty-five million, two hundred forty-seven thousand, six hundred sixty-two".