55437233285 has 16 divisors (see below), whose sum is σ = 76036133376. Its totient is φ = 38010139008.

The previous prime is 55437233263. The next prime is 55437233287. The reversal of 55437233285 is 58233273455.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55437233285 - 2¹⁰ = 55437232261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55437233287) 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, 280337 + ... + 435273.

It is an arithmetic number, because the mean of its divisors is an integer number (4752258336).

Almost surely, 2^55437233285 is an apocalyptic number.

It is an amenable number.

55437233285 is a deficient number, since it is larger than the sum of its proper divisors (20598900091).

55437233285 is a wasteful number, since it uses less digits than its factorization.

55437233285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165172.

The product of its digits is 3024000, while the sum is 47.

The spelling of 55437233285 in words is "fifty-five billion, four hundred thirty-seven million, two hundred thirty-three thousand, two hundred eighty-five".