525550278055 has 8 divisors (see below), whose sum is σ = 687993091344. Its totient is φ = 382218384000.

The previous prime is 525550278041. The next prime is 525550278061. The reversal of 525550278055 is 550872055525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 525550278055 - 2¹³ = 525550269863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4777729746 + ... + 4777729855.

It is an arithmetic number, because the mean of its divisors is an integer number (85999136418).

Almost surely, 2^525550278055 is an apocalyptic number.

525550278055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

525550278055 is a deficient number, since it is larger than the sum of its proper divisors (162442813289).

525550278055 is a wasteful number, since it uses less digits than its factorization.

525550278055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9555459617.

The product of its (nonzero) digits is 3500000, while the sum is 49.

The spelling of 525550278055 in words is "five hundred twenty-five billion, five hundred fifty million, two hundred seventy-eight thousand, fifty-five".