21448653054 has 32 divisors (see below), whose sum is σ = 45808035840. Its totient is φ = 6680335200.

The previous prime is 21448653053. The next prime is 21448653067. The reversal of 21448653054 is 45035684412.

It is a junction number, because it is equal to n+sod(n) for n = 21448652997 and 21448653015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21448653053) 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, 1982802 + ... + 1993589.

It is an arithmetic number, because the mean of its divisors is an integer number (1431501120).

Almost surely, 2^21448653054 is an apocalyptic number.

21448653054 is an abundant number, since it is smaller than the sum of its proper divisors (24359382786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21448653054 is a wasteful number, since it uses less digits than its factorization.

21448653054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976456.

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 21448653054 in words is "twenty-one billion, four hundred forty-eight million, six hundred fifty-three thousand, fifty-four".