55101000051019 has 16 divisors (see below), whose sum is σ = 61254299038464. Its totient is φ = 49221269452800.

The previous prime is 55101000050939. The next prime is 55101000051029. The reversal of 55101000051019 is 91015000010155.

It is a cyclic number.

It is not a de Polignac number, because 55101000051019 - 2⁹ = 55101000050507 is a prime.

It is a super-2 number, since 2×55101000051019² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55101000051029) 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, 45976239 + ... + 47159479.

It is an arithmetic number, because the mean of its divisors is an integer number (3828393689904).

Almost surely, 2^{55101000051019} is an apocalyptic number.

55101000051019 is a deficient number, since it is larger than the sum of its proper divisors (6153298987445).

55101000051019 is a wasteful number, since it uses less digits than its factorization.

55101000051019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298838.

The product of its (nonzero) digits is 1125, while the sum is 28.

The spelling of 55101000051019 in words is "fifty-five trillion, one hundred one billion, fifty-one thousand, nineteen".