55612257551 has 8 divisors (see below), whose sum is σ = 55685314944. Its totient is φ = 55539251200.

The previous prime is 55612257541. The next prime is 55612257563. The reversal of 55612257551 is 15575221655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55612257551 - 2³⁰ = 54538515727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55612257541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2475170 + ... + 2497536.

It is an arithmetic number, because the mean of its divisors is an integer number (6960664368).

Almost surely, 2^55612257551 is an apocalyptic number.

55612257551 is a deficient number, since it is larger than the sum of its proper divisors (73057393).

55612257551 is a wasteful number, since it uses less digits than its factorization.

55612257551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25521.

The product of its digits is 525000, while the sum is 44.

The spelling of 55612257551 in words is "fifty-five billion, six hundred twelve million, two hundred fifty-seven thousand, five hundred fifty-one".