53661400347027 has 16 divisors (see below), whose sum is σ = 78520328877312. Its totient is φ = 32327317933920.

The previous prime is 53661400347017. The next prime is 53661400347059. The reversal of 53661400347027 is 72074300416635.

It is not a de Polignac number, because 53661400347027 - 2¹⁸ = 53661400084883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53661400347017) 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, 4868566468 + ... + 4868577489.

It is an arithmetic number, because the mean of its divisors is an integer number (4907520554832).

Almost surely, 2^{53661400347027} is an apocalyptic number.

53661400347027 is a deficient number, since it is larger than the sum of its proper divisors (24858928530285).

53661400347027 is a wasteful number, since it uses less digits than its factorization.

53661400347027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9737144138.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 53661400347027 in words is "fifty-three trillion, six hundred sixty-one billion, four hundred million, three hundred forty-seven thousand, twenty-seven".