55333077537 has 32 divisors (see below), whose sum is σ = 76821696000. Its totient is φ = 35399669760.

The previous prime is 55333077533. The next prime is 55333077539. The reversal of 55333077537 is 73577033355.

It is not a de Polignac number, because 55333077537 - 2² = 55333077533 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55333077533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2603289 + ... + 2624457.

It is an arithmetic number, because the mean of its divisors is an integer number (2400678000).

Almost surely, 2^55333077537 is an apocalyptic number.

It is an amenable number.

55333077537 is a deficient number, since it is larger than the sum of its proper divisors (21488618463).

55333077537 is a wasteful number, since it uses less digits than its factorization.

55333077537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21561.

The product of its (nonzero) digits is 3472875, while the sum is 48.

The spelling of 55333077537 in words is "fifty-five billion, three hundred thirty-three million, seventy-seven thousand, five hundred thirty-seven".