55061501 has 8 divisors (see below), whose sum is σ = 60156864. Its totient is φ = 49981120.

The previous prime is 55061477. The next prime is 55061507. The reversal of 55061501 is 10516055.

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 55061501 - 2⁶ = 55061437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55061507) 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, 4805 + ... + 11541.

It is an arithmetic number, because the mean of its divisors is an integer number (7519608).

Almost surely, 2^55061501 is an apocalyptic number.

It is an amenable number.

55061501 is a deficient number, since it is larger than the sum of its proper divisors (5095363).

55061501 is a wasteful number, since it uses less digits than its factorization.

55061501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7491.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 55061501 is about 7420.3437251923. The cubic root of 55061501 is about 380.4369419892.

Adding to 55061501 its reverse (10516055), we get a palindrome (65577556).

It can be divided in two parts, 5506 and 1501, that added together give a palindrome (7007).

The spelling of 55061501 in words is "fifty-five million, sixty-one thousand, five hundred one".