53480370391 has 16 divisors (see below), whose sum is σ = 61750374400. Its totient is φ = 45368382528.

The previous prime is 53480370389. The next prime is 53480370421. The reversal of 53480370391 is 19307308435.

It is a happy number.

It is not a de Polignac number, because 53480370391 - 2¹ = 53480370389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53480370301) 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, 1247155 + ... + 1289323.

It is an arithmetic number, because the mean of its divisors is an integer number (3859398400).

Almost surely, 2^53480370391 is an apocalyptic number.

53480370391 is a deficient number, since it is larger than the sum of its proper divisors (8270004009).

53480370391 is a wasteful number, since it uses less digits than its factorization.

53480370391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44038.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 53480370391 in words is "fifty-three billion, four hundred eighty million, three hundred seventy thousand, three hundred ninety-one".