55011501501 has 8 divisors (see below), whose sum is σ = 80016729504. Its totient is φ = 33340303920.

The previous prime is 55011501497. The next prime is 55011501533. The reversal of 55011501501 is 10510511055.

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

It is not a de Polignac number, because 55011501501 - 2² = 55011501497 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55011501001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833507566 + ... + 833507631.

It is an arithmetic number, because the mean of its divisors is an integer number (10002091188).

Almost surely, 2^55011501501 is an apocalyptic number.

It is an amenable number.

55011501501 is a deficient number, since it is larger than the sum of its proper divisors (25005228003).

55011501501 is a wasteful number, since it uses less digits than its factorization.

55011501501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667015211.

The product of its (nonzero) digits is 625, while the sum is 24.

The spelling of 55011501501 in words is "fifty-five billion, eleven million, five hundred one thousand, five hundred one".