55026526145 has 32 divisors (see below), whose sum is σ = 71538785280. Its totient is φ = 40502911680.

The previous prime is 55026526141. The next prime is 55026526169. The reversal of 55026526145 is 54162562055.

It is not a de Polignac number, because 55026526145 - 2² = 55026526141 is a prime.

It is a super-2 number, since 2×55026526145² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55026526141) 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, 391034 + ... + 512796.

It is an arithmetic number, because the mean of its divisors is an integer number (2235587040).

Almost surely, 2^55026526145 is an apocalyptic number.

It is an amenable number.

55026526145 is a deficient number, since it is larger than the sum of its proper divisors (16512259135).

55026526145 is a wasteful number, since it uses less digits than its factorization.

55026526145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121925.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 55026526145 in words is "fifty-five billion, twenty-six million, five hundred twenty-six thousand, one hundred forty-five".