55169287101951 has 32 divisors (see below), whose sum is σ = 81596210492160. Its totient is φ = 32877593337600.

The previous prime is 55169287101937. The next prime is 55169287101989. The reversal of 55169287101951 is 15910178296155.

It is not a de Polignac number, because 55169287101951 - 2¹⁷ = 55169286970879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55169287101931) 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, 51358545 + ... + 52421738.

It is an arithmetic number, because the mean of its divisors is an integer number (2549881577880).

Almost surely, 2^{55169287101951} is an apocalyptic number.

55169287101951 is a deficient number, since it is larger than the sum of its proper divisors (26426923390209).

55169287101951 is a wasteful number, since it uses less digits than its factorization.

55169287101951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103780567.

The product of its (nonzero) digits is 6804000, while the sum is 60.

The spelling of 55169287101951 in words is "fifty-five trillion, one hundred sixty-nine billion, two hundred eighty-seven million, one hundred one thousand, nine hundred fifty-one".