55373149225 has 27 divisors (see below), whose sum is σ = 72496000677. Its totient is φ = 41950075680.

The previous prime is 55373149219. The next prime is 55373149261. The reversal of 55373149225 is 52294137355.

The square root of 55373149225 is 235315.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1076692969 + 54296456256 = 32813^2 + 233016^2 .

It is not a de Polignac number, because 55373149225 - 2²¹ = 55371052073 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 22353687 + ... + 22356163.

Almost surely, 2^55373149225 is an apocalyptic number.

55373149225 is the 235315-th square number.

55373149225 is the 117658-th centered octagonal number.

It is an amenable number.

55373149225 is a deficient number, since it is larger than the sum of its proper divisors (17122851452).

55373149225 is an frugal number, since it uses more digits than its factorization.

55373149225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002 (or 2501 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 46.

The spelling of 55373149225 in words is "fifty-five billion, three hundred seventy-three million, one hundred forty-nine thousand, two hundred twenty-five".