55193501 has 8 divisors (see below), whose sum is σ = 60264864. Its totient is φ = 50131120.

The previous prime is 55193449. The next prime is 55193513. The reversal of 55193501 is 10539155.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55193501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55193581) 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, 23486 + ... + 25728.

It is an arithmetic number, because the mean of its divisors is an integer number (7533108).

Almost surely, 2^55193501 is an apocalyptic number.

It is an amenable number.

55193501 is a deficient number, since it is larger than the sum of its proper divisors (5071363).

55193501 is a wasteful number, since it uses less digits than its factorization.

55193501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491.

The product of its (nonzero) digits is 3375, while the sum is 29.

The square root of 55193501 is about 7429.2328675308. The cubic root of 55193501 is about 380.7407089862.

The spelling of 55193501 in words is "fifty-five million, one hundred ninety-three thousand, five hundred one".