625504306055 has 16 divisors (see below), whose sum is σ = 761913752544. Its totient is φ = 492866457600.

The previous prime is 625504306003. The next prime is 625504306103. The reversal of 625504306055 is 550603405526.

It is not a de Polignac number, because 625504306055 - 2⁶ = 625504305991 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2364455 + ... + 2615655.

It is an arithmetic number, because the mean of its divisors is an integer number (47619609534).

Almost surely, 2^625504306055 is an apocalyptic number.

625504306055 is a deficient number, since it is larger than the sum of its proper divisors (136409446489).

625504306055 is a wasteful number, since it uses less digits than its factorization.

625504306055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258706.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 625504306055 in words is "six hundred twenty-five billion, five hundred four million, three hundred six thousand, fifty-five".