55361415205 has 16 divisors (see below), whose sum is σ = 71820218880. Its totient is φ = 40824119232.

The previous prime is 55361415191. The next prime is 55361415209. The reversal of 55361415205 is 50251416355.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55361415205 - 2¹⁵ = 55361382437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55361415209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7871509 + ... + 7878538.

It is an arithmetic number, because the mean of its divisors is an integer number (4488763680).

Almost surely, 2^55361415205 is an apocalyptic number.

It is an amenable number.

55361415205 is a deficient number, since it is larger than the sum of its proper divisors (16458803675).

55361415205 is a wasteful number, since it uses less digits than its factorization.

55361415205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15750108.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 55361415205 in words is "fifty-five billion, three hundred sixty-one million, four hundred fifteen thousand, two hundred five".