54948249421 has 8 divisors (see below), whose sum is σ = 59179540280. Its totient is φ = 50717601792.

The previous prime is 54948249403. The next prime is 54948249437. The reversal of 54948249421 is 12494284945.

It can be written as a sum of positive squares in 4 ways, for example, as 7020093796 + 47928155625 = 83786^2 + 218925^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54948249421 - 2⁹ = 54948248909 is a prime.

It is a super-2 number, since 2×54948249421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54948249491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24541 + ... + 332413.

It is an arithmetic number, because the mean of its divisors is an integer number (7397442535).

Almost surely, 2^54948249421 is an apocalyptic number.

It is an amenable number.

54948249421 is a deficient number, since it is larger than the sum of its proper divisors (4231290859).

54948249421 is a wasteful number, since it uses less digits than its factorization.

54948249421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321615.

The product of its digits is 3317760, while the sum is 52.

The spelling of 54948249421 in words is "fifty-four billion, nine hundred forty-eight million, two hundred forty-nine thousand, four hundred twenty-one".