53149339661061 has 16 divisors (see below), whose sum is σ = 81100872280064. Its totient is φ = 30329275364784.

The previous prime is 53149339661051. The next prime is 53149339661071. The reversal of 53149339661061 is 16016693394135.

It is an interprime number because it is at equal distance from previous prime (53149339661051) and next prime (53149339661071).

It is not a de Polignac number, because 53149339661061 - 2⁶ = 53149339660997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53149339660992 and 53149339661010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53149339661051) 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, 1740645625 + ... + 1740676158.

It is an arithmetic number, because the mean of its divisors is an integer number (5068804517504).

Almost surely, 2^{53149339661061} is an apocalyptic number.

It is an amenable number.

53149339661061 is a deficient number, since it is larger than the sum of its proper divisors (27951532619003).

53149339661061 is a wasteful number, since it uses less digits than its factorization.

53149339661061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481322520.

The product of its (nonzero) digits is 9447840, while the sum is 57.

The spelling of 53149339661061 in words is "fifty-three trillion, one hundred forty-nine billion, three hundred thirty-nine million, six hundred sixty-one thousand, sixty-one".