55103156651 has 4 divisors (see below), whose sum is σ = 55244810400. Its totient is φ = 54961502904.

The previous prime is 55103156629. The next prime is 55103156687. The reversal of 55103156651 is 15665130155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15665130155 = 5 ⋅3133026031.

It is a cyclic number.

It is not a de Polignac number, because 55103156651 - 2¹⁸ = 55102894507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55103156051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70826291 + ... + 70827068.

It is an arithmetic number, because the mean of its divisors is an integer number (13811202600).

Almost surely, 2^55103156651 is an apocalyptic number.

55103156651 is a deficient number, since it is larger than the sum of its proper divisors (141653749).

55103156651 is a wasteful number, since it uses less digits than its factorization.

55103156651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141653748.

The product of its (nonzero) digits is 67500, while the sum is 38.

The spelling of 55103156651 in words is "fifty-five billion, one hundred three million, one hundred fifty-six thousand, six hundred fifty-one".