545556051 has 12 divisors (see below), whose sum is σ = 788278920. Its totient is φ = 363587040.

The previous prime is 545556047. The next prime is 545556131. The reversal of 545556051 is 150655545.

545556051 is a `hidden beast` number, since 5 + 45 + 5 + 5 + 605 + 1 = 666.

It is not a de Polignac number, because 545556051 - 2² = 545556047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545555997 and 545556015.

It is not an unprimeable number, because it can be changed into a prime (545556031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27120 + ... + 42738.

It is an arithmetic number, because the mean of its divisors is an integer number (65689910).

Almost surely, 2^545556051 is an apocalyptic number.

545556051 is a deficient number, since it is larger than the sum of its proper divisors (242722869).

545556051 is a wasteful number, since it uses less digits than its factorization.

545556051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19506 (or 19503 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The square root of 545556051 is about 23357.1413276539. The cubic root of 545556051 is about 817.1086205569.

It can be divided in two parts, 54555 and 6051, that added together give a palindrome (60606).

The spelling of 545556051 in words is "five hundred forty-five million, five hundred fifty-six thousand, fifty-one".