52021551362146 has 128 divisors (see below), whose sum is σ = 82348719538176. Its totient is φ = 24626016645120.

The previous prime is 52021551362141. The next prime is 52021551362147. The reversal of 52021551362146 is 64126315512025.

It is a super-2 number, since 2×52021551362146² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52021551362141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71556466435 + ... + 71556467161.

It is an arithmetic number, because the mean of its divisors is an integer number (643349371392).

Almost surely, 2^{52021551362146} is an apocalyptic number.

52021551362146 is a deficient number, since it is larger than the sum of its proper divisors (30327168176030).

52021551362146 is a wasteful number, since it uses less digits than its factorization.

52021551362146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 52021551362146 in words is "fifty-two trillion, twenty-one billion, five hundred fifty-one million, three hundred sixty-two thousand, one hundred forty-six".