1425555550 has 24 divisors (see below), whose sum is σ = 2652526656. Its totient is φ = 570008640.

The previous prime is 1425555529. The next prime is 1425555577. The reversal of 1425555550 is 555555241.

It is a super-2 number, since 2×1425555550² = 4064417252271605000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260947 + ... + 266353.

It is an arithmetic number, because the mean of its divisors is an integer number (110521944).

Almost surely, 2^1425555550 is an apocalyptic number.

1425555550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1425555550 is a deficient number, since it is larger than the sum of its proper divisors (1226971106).

1425555550 is a wasteful number, since it uses less digits than its factorization.

1425555550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10692 (or 10687 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 37.

The square root of 1425555550 is about 37756.5298988135. The cubic root of 1425555550 is about 1125.4547758051.

The spelling of 1425555550 in words is "one billion, four hundred twenty-five million, five hundred fifty-five thousand, five hundred fifty".