55125442601 has 4 divisors (see below), whose sum is σ = 55221985104. Its totient is φ = 55028900100.

The previous prime is 55125442499. The next prime is 55125442607. The reversal of 55125442601 is 10624452155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10624452155 = 5 ⋅2124890431.

It is a cyclic number.

It is not a de Polignac number, because 55125442601 - 2²² = 55121248297 is a prime.

It is a super-2 number, since 2×55125442601² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55125442607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48270395 + ... + 48271536.

It is an arithmetic number, because the mean of its divisors is an integer number (13805496276).

Almost surely, 2^55125442601 is an apocalyptic number.

It is an amenable number.

55125442601 is a deficient number, since it is larger than the sum of its proper divisors (96542503).

55125442601 is an equidigital number, since it uses as much as digits as its factorization.

55125442601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96542502.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 55125442601 its reverse (10624452155), we get a palindrome (65749894756).

The spelling of 55125442601 in words is "fifty-five billion, one hundred twenty-five million, four hundred forty-two thousand, six hundred one".