53874781524690 has 128 divisors (see below), whose sum is σ = 156546875916288. Its totient is φ = 11583673052160.

The previous prime is 53874781524649. The next prime is 53874781524701. The reversal of 53874781524690 is 9642518747835.

It is a super-2 number, since 2×53874781524690² (a number of 28 digits) contains 22 as substring.

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, 2646607 + ... + 10712333.

It is an arithmetic number, because the mean of its divisors is an integer number (1223022468096).

It is a 1-persistent number, because it is pandigital, but 2⋅53874781524690 = 107749563049380 is not.

Almost surely, 2^{53874781524690} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53874781524690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78273437958144).

53874781524690 is an abundant number, since it is smaller than the sum of its proper divisors (102672094391598).

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

53874781524690 is a wasteful number, since it uses less digits than its factorization.

53874781524690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8067632.

The product of its (nonzero) digits is 406425600, while the sum is 69.

The spelling of 53874781524690 in words is "fifty-three trillion, eight hundred seventy-four billion, seven hundred eighty-one million, five hundred twenty-four thousand, six hundred ninety".