55542365 has 8 divisors (see below), whose sum is σ = 68452440. Its totient is φ = 43232832.

The previous prime is 55542343. The next prime is 55542373. The reversal of 55542365 is 56324555.

It can be written as a sum of positive squares in 4 ways, for example, as 21132409 + 34409956 = 4597^2 + 5866^2 .

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 55542365 - 2¹⁶ = 55476829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149930 + ... + 150299.

It is an arithmetic number, because the mean of its divisors is an integer number (8556555).

Almost surely, 2^55542365 is an apocalyptic number.

It is an amenable number.

55542365 is a deficient number, since it is larger than the sum of its proper divisors (12910075).

55542365 is a wasteful number, since it uses less digits than its factorization.

55542365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300271.

The product of its digits is 90000, while the sum is 35.

The square root of 55542365 is about 7452.6750231041. The cubic root of 55542365 is about 381.5412129605.

The spelling of 55542365 in words is "fifty-five million, five hundred forty-two thousand, three hundred sixty-five".