55410131004021 has 32 divisors (see below), whose sum is σ = 82121229475200. Its totient is φ = 36925624270080.

The previous prime is 55410131004017. The next prime is 55410131004043. The reversal of 55410131004021 is 12040013101455.

55410131004021 is a `hidden beast` number, since 5 + 54 + 101 + 3 + 100 + 402 + 1 = 666.

It is not a de Polignac number, because 55410131004021 - 2² = 55410131004017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55410131004061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 813063070 + ... + 813131216.

It is an arithmetic number, because the mean of its divisors is an integer number (2566288421100).

Almost surely, 2^{55410131004021} is an apocalyptic number.

It is an amenable number.

55410131004021 is a deficient number, since it is larger than the sum of its proper divisors (26711098471179).

55410131004021 is a wasteful number, since it uses less digits than its factorization.

55410131004021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79506 (or 79500 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 55410131004021 its reverse (12040013101455), we get a palindrome (67450144105476).

The spelling of 55410131004021 in words is "fifty-five trillion, four hundred ten billion, one hundred thirty-one million, four thousand, twenty-one".