58281945 has 16 divisors (see below), whose sum is σ = 93416640. Its totient is φ = 31028544.

The previous prime is 58281943. The next prime is 58281997. The reversal of 58281945 is 54918285.

It is a happy number.

It is not a de Polignac number, because 58281945 - 2¹ = 58281943 is a prime.

It is a super-2 number, since 2×58281945² = 6793570225966050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 58281897 and 58281906.

It is not an unprimeable number, because it can be changed into a prime (58281941) 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 15 ways as a sum of consecutive naturals, for example, 6147 + ... + 12423.

It is an arithmetic number, because the mean of its divisors is an integer number (5838540).

Almost surely, 2^58281945 is an apocalyptic number.

It is an amenable number.

58281945 is a deficient number, since it is larger than the sum of its proper divisors (35134695).

58281945 is a wasteful number, since it uses less digits than its factorization.

58281945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6904.

The product of its digits is 115200, while the sum is 42.

The square root of 58281945 is about 7634.2612609211. The cubic root of 58281945 is about 387.7138770747.

The spelling of 58281945 in words is "fifty-eight million, two hundred eighty-one thousand, nine hundred forty-five".