53137089261 has 16 divisors (see below), whose sum is σ = 83352297600. Its totient is φ = 33340918464.

The previous prime is 53137089253. The next prime is 53137089287. The reversal of 53137089261 is 16298073135.

53137089261 is a `hidden beast` number, since 5 + 313 + 70 + 8 + 9 + 261 = 666.

It is not a de Polignac number, because 53137089261 - 2³ = 53137089253 is a prime.

It is a super-2 number, since 2×53137089261² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53137082261) 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, 57883081 + ... + 57883998.

It is an arithmetic number, because the mean of its divisors is an integer number (5209518600).

Almost surely, 2^53137089261 is an apocalyptic number.

53137089261 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

53137089261 is a deficient number, since it is larger than the sum of its proper divisors (30215208339).

53137089261 is a wasteful number, since it uses less digits than its factorization.

53137089261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115767105 (or 115767099 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 53137089261 in words is "fifty-three billion, one hundred thirty-seven million, eighty-nine thousand, two hundred sixty-one".