55233020151 has 8 divisors (see below), whose sum is σ = 81826696560. Its totient is φ = 36822013416.

The previous prime is 55233020149. The next prime is 55233020201. The reversal of 55233020151 is 15102033255.

It is a happy number.

It is not a de Polignac number, because 55233020151 - 2¹ = 55233020149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2045667413 = 55233020151 / (5 + 5 + 2 + 3 + 3 + 0 + 2 + 0 + 1 + 5 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55233020251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022833680 + ... + 1022833733.

It is an arithmetic number, because the mean of its divisors is an integer number (10228337070).

Almost surely, 2^55233020151 is an apocalyptic number.

55233020151 is a deficient number, since it is larger than the sum of its proper divisors (26593676409).

55233020151 is a wasteful number, since it uses less digits than its factorization.

55233020151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045667422 (or 2045667416 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 55233020151 in words is "fifty-five billion, two hundred thirty-three million, twenty thousand, one hundred fifty-one".