54221551246 has 4 divisors (see below), whose sum is σ = 81332326872. Its totient is φ = 27110775622.

The previous prime is 54221551231. The next prime is 54221551249. The reversal of 54221551246 is 64215512245.

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

It is a super-3 number, since 3×54221551246³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54221551249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13555387810 + ... + 13555387813.

It is an arithmetic number, because the mean of its divisors is an integer number (20333081718).

Almost surely, 2^54221551246 is an apocalyptic number.

54221551246 is a deficient number, since it is larger than the sum of its proper divisors (27110775626).

54221551246 is a wasteful number, since it uses less digits than its factorization.

54221551246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27110775625.

The product of its digits is 96000, while the sum is 37.

The spelling of 54221551246 in words is "fifty-four billion, two hundred twenty-one million, five hundred fifty-one thousand, two hundred forty-six".