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2552778053 = 7364682579
BaseRepresentation
bin1001100000101000…
…0100110101000101
320120220111120011022
42120022010311011
520212002344203
61101150520525
7120155153420
oct23012046505
96526446138
102552778053
11109aa81a31
125b2b06145
13318b4b177
141a306c9b7
15ee1a3a38
hex98284d45

2552778053 has 4 divisors (see below), whose sum is σ = 2917460640. Its totient is φ = 2188095468.

The previous prime is 2552777971. The next prime is 2552778061. The reversal of 2552778053 is 3508772552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2552778053 - 226 = 2485669189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2552777995 and 2552778013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552778083) 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, 182341283 + ... + 182341296.

It is an arithmetic number, because the mean of its divisors is an integer number (729365160).

Almost surely, 22552778053 is an apocalyptic number.

It is an amenable number.

2552778053 is a deficient number, since it is larger than the sum of its proper divisors (364682587).

2552778053 is an equidigital number, since it uses as much as digits as its factorization.

2552778053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364682586.

The product of its (nonzero) digits is 588000, while the sum is 44.

The square root of 2552778053 is about 50525.0240277033. The cubic root of 2552778053 is about 1366.6931545597.

The spelling of 2552778053 in words is "two billion, five hundred fifty-two million, seven hundred seventy-eight thousand, fifty-three".

Divisors: 1 7 364682579 2552778053