55631246 has 32 divisors (see below), whose sum is σ = 93139200. Its totient is φ = 24710400.

The previous prime is 55631243. The next prime is 55631249. The reversal of 55631246 is 64213655.

It is an interprime number because it is at equal distance from previous prime (55631243) and next prime (55631249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55631243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279455 + ... + 279653.

It is an arithmetic number, because the mean of its divisors is an integer number (2910600).

Almost surely, 2^55631246 is an apocalyptic number.

55631246 is a deficient number, since it is larger than the sum of its proper divisors (37507954).

55631246 is a wasteful number, since it uses less digits than its factorization.

55631246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440.

The product of its digits is 21600, while the sum is 32.

The square root of 55631246 is about 7458.6356661255. The cubic root of 55631246 is about 381.7446234061.

The spelling of 55631246 in words is "fifty-five million, six hundred thirty-one thousand, two hundred forty-six".