550403051 has 4 divisors (see below), whose sum is σ = 600439704. Its totient is φ = 500366400.

The previous prime is 550402969. The next prime is 550403059. The reversal of 550403051 is 150304055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550403051 - 2²⁶ = 483294187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550403059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25018310 + ... + 25018331.

It is an arithmetic number, because the mean of its divisors is an integer number (150109926).

Almost surely, 2^550403051 is an apocalyptic number.

550403051 is a deficient number, since it is larger than the sum of its proper divisors (50036653).

550403051 is a wasteful number, since it uses less digits than its factorization.

550403051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50036652.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 550403051 is about 23460.6703015920. The cubic root of 550403051 is about 819.5213600699.

The spelling of 550403051 in words is "five hundred fifty million, four hundred three thousand, fifty-one".