53648770363890 has 128 divisors (see below), whose sum is σ = 139705941957120. Its totient is φ = 13106419243008.

The previous prime is 53648770363871. The next prime is 53648770363901. The reversal of 53648770363890 is 9836307784635.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 234817531 + ... + 235045889.

It is an arithmetic number, because the mean of its divisors is an integer number (1091452671540).

Almost surely, 2^{53648770363890} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53648770363890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69852970978560).

53648770363890 is an abundant number, since it is smaller than the sum of its proper divisors (86057171593230).

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

53648770363890 is a wasteful number, since it uses less digits than its factorization.

53648770363890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232916.

The product of its (nonzero) digits is 548674560, while the sum is 69.

The spelling of 53648770363890 in words is "fifty-three trillion, six hundred forty-eight billion, seven hundred seventy million, three hundred sixty-three thousand, eight hundred ninety".