425634550 has 48 divisors (see below), whose sum is σ = 901228032. Its totient is φ = 148042400.

The previous prime is 425634529. The next prime is 425634577. The reversal of 425634550 is 55436524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4174 + ... + 29473.

It is an arithmetic number, because the mean of its divisors is an integer number (18775584).

Almost surely, 2^425634550 is an apocalyptic number.

425634550 is an abundant number, since it is smaller than the sum of its proper divisors (475593482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425634550 is a wasteful number, since it uses less digits than its factorization.

425634550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33693 (or 33688 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 425634550 is about 20630.9124858790. The cubic root of 425634550 is about 752.2212961113.

The spelling of 425634550 in words is "four hundred twenty-five million, six hundred thirty-four thousand, five hundred fifty".