53555402115 has 24 divisors (see below), whose sum is σ = 93023199360. Its totient is φ = 28503239424.

The previous prime is 53555402113. The next prime is 53555402119. The reversal of 53555402115 is 51120455535.

53555402115 is a `hidden beast` number, since 53 + 55 + 540 + 2 + 1 + 15 = 666.

It is not a de Polignac number, because 53555402115 - 2¹ = 53555402113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53555402115.

It is not an unprimeable number, because it can be changed into a prime (53555402113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1220742 + ... + 1263851.

It is an arithmetic number, because the mean of its divisors is an integer number (3875966640).

Almost surely, 2^53555402115 is an apocalyptic number.

53555402115 is a deficient number, since it is larger than the sum of its proper divisors (39467797245).

53555402115 is a wasteful number, since it uses less digits than its factorization.

53555402115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485083 (or 2485080 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 53555402115 in words is "fifty-three billion, five hundred fifty-five million, four hundred two thousand, one hundred fifteen".