550402545 has 96 divisors (see below), whose sum is σ = 1176698880. Its totient is φ = 216639360.

The previous prime is 550402529. The next prime is 550402549. The reversal of 550402545 is 545204055.

It is not a de Polignac number, because 550402545 - 2⁴ = 550402529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550402549) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 151824 + ... + 155406.

It is an arithmetic number, because the mean of its divisors is an integer number (12257280).

Almost surely, 2^550402545 is an apocalyptic number.

550402545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

550402545 is an abundant number, since it is smaller than the sum of its proper divisors (626296335).

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

550402545 is a wasteful number, since it uses less digits than its factorization.

550402545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635 (or 3628 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 550402545 is about 23460.6595175839. The cubic root of 550402545 is about 819.5211089340.

The spelling of 550402545 in words is "five hundred fifty million, four hundred two thousand, five hundred forty-five".