55535061501 has 12 divisors (see below), whose sum is σ = 80219387040. Its totient is φ = 37022416200.

The previous prime is 55535061499. The next prime is 55535061557. The reversal of 55535061501 is 10516053555.

55535061501 is a `hidden beast` number, since 5 + 5 + 5 + 35 + 0 + 615 + 0 + 1 = 666.

It is not a de Polignac number, because 55535061501 - 2¹ = 55535061499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55535060501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 542776 + ... + 636926.

It is an arithmetic number, because the mean of its divisors is an integer number (6684948920).

Almost surely, 2^55535061501 is an apocalyptic number.

It is an amenable number.

55535061501 is a deficient number, since it is larger than the sum of its proper divisors (24684325539).

55535061501 is a wasteful number, since it uses less digits than its factorization.

55535061501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159696 (or 159693 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 36.

The spelling of 55535061501 in words is "fifty-five billion, five hundred thirty-five million, sixty-one thousand, five hundred one".