55031246 has 4 divisors (see below), whose sum is σ = 82546872. Its totient is φ = 27515622.

The previous prime is 55031243. The next prime is 55031257. The reversal of 55031246 is 64213055.

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 (55031243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13757810 + ... + 13757813.

It is an arithmetic number, because the mean of its divisors is an integer number (20636718).

Almost surely, 2^55031246 is an apocalyptic number.

55031246 is a deficient number, since it is larger than the sum of its proper divisors (27515626).

55031246 is a wasteful number, since it uses less digits than its factorization.

55031246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27515625.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 55031246 is about 7418.3047928755. The cubic root of 55031246 is about 380.3672488382.

The spelling of 55031246 in words is "fifty-five million, thirty-one thousand, two hundred forty-six".