55025551011 has 16 divisors (see below), whose sum is σ = 75178160640. Its totient is φ = 35780697120.

The previous prime is 55025550973. The next prime is 55025551013. The reversal of 55025551011 is 11015552055.

It is not a de Polignac number, because 55025551011 - 2⁷ = 55025550883 is a prime.

It is a super-2 number, since 2×55025551011² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55025551011.

It is not an unprimeable number, because it can be changed into a prime (55025551013) 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, 203880 + ... + 389381.

It is an arithmetic number, because the mean of its divisors is an integer number (4698635040).

Almost surely, 2^55025551011 is an apocalyptic number.

55025551011 is a deficient number, since it is larger than the sum of its proper divisors (20152609629).

55025551011 is a wasteful number, since it uses less digits than its factorization.

55025551011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594026.

The product of its (nonzero) digits is 6250, while the sum is 30.

The spelling of 55025551011 in words is "fifty-five billion, twenty-five million, five hundred fifty-one thousand, eleven".